APA引文

Soars, J., & Soars, L. (1987). Headway upper - intermediate: Teacher's book. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Soars, John, và Liz Soars. Headway Upper - Intermediate: Teacher's Book. New York: Oxford University Press, 1987.

MLA引文

Soars, John, và Liz Soars. Headway Upper - Intermediate: Teacher's Book. New York: Oxford University Press, 1987.

警告：這些引文格式不一定是100％准確.