APA引文

Bourke, K. (2003). English Verbs and tenses: Pre - Intermediate. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Bourke, Kenna. English Verbs and Tenses: Pre - Intermediate. Oxford: Oxford Univ. Press, 2003.

MLA引文

Bourke, Kenna. English Verbs and Tenses: Pre - Intermediate. Oxford: Oxford Univ. Press, 2003.

警告：這些引文格式不一定是100％准確.