APA引文

Soars, J., & Soars, L. (1991). Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Soars, John, và Liz Soars. Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press, 1991.

MLA引文

Soars, John, và Liz Soars. Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press, 1991.

警告：这些引文格式不一定是100％准确.