Pierce, H. (2005). Persuasive proposals and presentations: 24 lessons for writing winners. McGraw-Hill.
Παραπομπή Chicago StylePierce, Heather. Persuasive Proposals and Presentations: 24 Lessons for Writing Winners. McGraw-Hill, 2005.
Παραπομπή MLAPierce, Heather. Persuasive Proposals and Presentations: 24 Lessons for Writing Winners. McGraw-Hill, 2005.
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