Василиса, я тут наткнулся на один источник - вспомнил о вашей проблеме. Посмотрите - может помочь! Особенно много материала найдете, если пройдете по ссылке...
И еще... Один совет в связи с вашей проблемой могу дать от себя лично: обратите внимание на качество текста, который вы выдаете на Форуме! Много ошибок, небрежностей....А это тоже "пиар", сигнализирующий о вашем типе личности, отношении к делу и т.п. Обратите на это внимание! 
How to Write Précis and Summaries
Whether for a school or business assignment, writers are sometimes instructed to write a shortened version of a text which highlights only the main points of the original. Two types of these shortened versions are précis and summaries. Robert Barass, author of Writing at Work: A Guide to Better Writing in Administration, Business and Management (London: Routledge, 2002)
http://www.questia.com/CM.qst?D=newsletter20090906nn,
79, explains:Because it is easier to condense other people's writing than your own, practice in preparing and revising précis and summaries will help you to develop a concise and direct style that is appropriate for most communications at work.
Writing a précis is a test of comprehension and an exercise in reduction, in which the essential meaning of a composition is retained — but without ornament and without the details. The author's meaning should therefore be conveyed in your own words — and in fewer words. As part of a course in Business Communication, a class of students could be asked (a) to prepare a précis of an article relevant to their studies, working alone, and then (b) to try to agree as to which words in the article can be omitted in the précis.
For practice in writing a summary, select an article relevant to your own work from a recent issue of a magazine or journal in which authors' summaries are published. Before looking at the author's summary, read the article carefully, listing the main points, and then prepare your own summary. Note that an abstract or summary should be much shorter than a précis... It should include only the author's main points; so preparing a summary is a good test of your ability to recognise these main points, and to report them in a few well chosen words. Do you agree with the author's choice of the most important points? Has the author used more words than are needed? Have you?
