Sawers, N. (2009). How to write proposals, sales letters and reports. Viva.
シカゴスタイル引用形Sawers, Neil. How to Write Proposals, Sales Letters and Reports. New Delhi: Viva, 2009.
MLA引用形式Sawers, Neil. How to Write Proposals, Sales Letters and Reports. Viva, 2009.
警告: この引用は必ずしも正確ではありません.