Dyfyniad APA

McLeod, S., & Bates, S. (1991). Writing about the world. Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

McLeod, Susan, and Stacia Bates. Writing About the World. San Diego: Harcourt Brace Jovanovich, 1991.

Dyfyniad MLA

McLeod, Susan, and Stacia Bates. Writing About the World. Harcourt Brace Jovanovich, 1991.

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