Dyfyniad APA

Grussendorf M. Marion. (2007). English for Presentations. New York, Oxford University Press, 2007.

Dyfyniad Arddull Chicago

Grussendorf M. Marion. English for Presentations. New York, Oxford University Press, 2007, 2007.

Dyfyniad MLA

Grussendorf M. Marion. English for Presentations. New York, Oxford University Press, 2007, 2007.

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