Dyfyniad APA

Ruetten, M. K., & Pavlik, C. (2012). Developing composition skills: Academic writing and grammar (3rd ed.). Heinle, Cengage Learning.

Dyfyniad Arddull Chicago

Ruetten, Mary K., and Cheryl Pavlik. Developing Composition Skills: Academic Writing and Grammar. 3rd ed. Boston, MA: Heinle, Cengage Learning, 2012.

Dyfyniad MLA

Ruetten, Mary K., and Cheryl Pavlik. Developing Composition Skills: Academic Writing and Grammar. 3rd ed. Heinle, Cengage Learning, 2012.

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