APA引文

Hadfield, J., & Hadfield, C. (1999). Presenting new language. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Hadfield, Jill, và Charles Hadfield. Presenting New Language. Oxford: Oxford University Press, 1999.

MLA引文

Hadfield, Jill, và Charles Hadfield. Presenting New Language. Oxford: Oxford University Press, 1999.

警告：這些引文格式不一定是100％准確.