Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.