Pfeiffer lhWilliam S. & Keller Jr. Proposal writing: The art of friendly and winning persuasion.
Chicago Style (17th ed.) CitationPfeiffer lhWilliam S. and Keller Jr. Proposal Writing: The Art of Friendly and Winning Persuasion. New Jersey lbPrentice Halll lc2000.
MLA (9th ed.) CitationPfeiffer lhWilliam S. and Keller Jr. Proposal Writing: The Art of Friendly and Winning Persuasion.
Warning: These citations may not always be 100% accurate.