APA citiranje

(2004). What do you know about British & American English: Understand the main differences between British and American English. Singapore: Learners Publishing.

Trích dẫn kiểu Chicago

What Do You Know About British & American English: Understand the Main Differences between British and American English. Singapore: Learners Publishing, 2004.

MLA citiranje

What Do You Know About British & American English: Understand the Main Differences between British and American English. Singapore: Learners Publishing, 2004.