APA引文

Denman, B. R. (2007). Step language for everyday life forward 4. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Denman, Barbara R. Step Language for Everyday Life Forward 4. New York: Oxford University Press, 2007.

MLA引文

Denman, Barbara R. Step Language for Everyday Life Forward 4. New York: Oxford University Press, 2007.

警告：這些引文格式不一定是100％准確.