APA引文

(2004). What you need to know about British & American English. Singapore: Learners Pub.

Trích dẫn kiểu Chicago

What You Need to Know About British & American English. Singapore: Learners Pub, 2004.

MLA引文

What You Need to Know About British & American English. Singapore: Learners Pub, 2004.

警告：這些引文格式不一定是100％准確.