APA引文

Howe, D. H. (1987). American English today!: Teacher's book. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Howe, D. H. American English Today!: Teacher's Book. New York: Oxford University Press, 1987.

MLA引文

Howe, D. H. American English Today!: Teacher's Book. New York: Oxford University Press, 1987.

警告：這些引文格式不一定是100％准確.