(2004). What you need to know about British & American English. Singapore: Learners Pub.
Trích dẫn kiểu ChicagoWhat You Need to Know About British & American English. Singapore: Learners Pub, 2004.
MLA CitationWhat You Need to Know About British & American English. Singapore: Learners Pub, 2004.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.