APA引文

Loretta S. Gray. (1999). Mastering idiomatic english: Prepositional phrases. New York: National Textbook Company.

Trích dẫn kiểu Chicago

Loretta S. Gray. Mastering Idiomatic English: Prepositional Phrases. New York: National Textbook Company, 1999.

MLA引文

Loretta S. Gray. Mastering Idiomatic English: Prepositional Phrases. New York: National Textbook Company, 1999.

警告：這些引文格式不一定是100％准確.