Παραπομπή APA

Smalley, R. L., & Ruetten, M. K. (2012). Refining composition skills: Academic writing and grammar. Boston: National Geographic Learning; Heinle Cenage Learning.

Παραπομπή Chicago Style

Smalley, Regina L., και Mary K. Ruetten. Refining Composition Skills: Academic Writing and Grammar. Boston: National Geographic Learning; Heinle Cenage Learning, 2012.

Παραπομπή MLA

Smalley, Regina L., και Mary K. Ruetten. Refining Composition Skills: Academic Writing and Grammar. Boston: National Geographic Learning; Heinle Cenage Learning, 2012.

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