Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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