APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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