Pfeiffer, W. S., & Keller, C. H. (2000). Proposal writing: The art of friendly and winning persuasion. Prentice Hall.
Chicagoスタイル(17版)引用形式Pfeiffer, William S., , Charles H. Keller. Proposal Writing: The Art of Friendly and Winning Persuasion. Upper Saddle River, NJ: Prentice Hall, 2000.
MLA(9版)引用形式Pfeiffer, William S., , Charles H. Keller. Proposal Writing: The Art of Friendly and Winning Persuasion. Prentice Hall, 2000.
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