Dyfyniad APA

Sawers, N. (2009). How to write proposals, sales letters and reports. Viva.

Dyfyniad Arddull Chicago

Sawers, Neil. How to Write Proposals, Sales Letters and Reports. New Delhi: Viva, 2009.

Dyfyniad MLA

Sawers, Neil. How to Write Proposals, Sales Letters and Reports. Viva, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.