APA引文

Keller, D. P. (1987). Interactions I: A speaking activities book. United States: Macmillan Pub Co.

Trích dẫn kiểu Chicago

Keller, Deborah Poole. Interactions I: A Speaking Activities Book. United States: Macmillan Pub Co, 1987.

MLA引文

Keller, Deborah Poole. Interactions I: A Speaking Activities Book. United States: Macmillan Pub Co, 1987.

警告：这些引文格式不一定是100％准确.