Dyfyniad APA

Calderonello, A. H., Nelson-Beene, D., & Simmons, S. C. (1997). Perspectives on academic writing. Allyn and Bacon.

Dyfyniad Arddull Chicago

Calderonello, Alice Heim, Donna Nelson-Beene, and Sue Carter Simmons. Perspectives on Academic Writing. Boston: Allyn and Bacon, 1997.

Dyfyniad MLA

Calderonello, Alice Heim, et al. Perspectives on Academic Writing. Allyn and Bacon, 1997.

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