Dyfyniad APA

Willis, J. (1996). Speeches and presentations. Ward lock.

Dyfyniad Arddull Chicago

Willis, Jane. Speeches and Presentations. London: Ward lock, 1996.

Dyfyniad MLA

Willis, Jane. Speeches and Presentations. Ward lock, 1996.

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