APA引文

(2013). Speak now: Communicate with confidence: Workbook 4. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Speak Now: Communicate With Confidence: Workbook 4. New York: Oxford University Press, 2013.

MLA引文

Speak Now: Communicate With Confidence: Workbook 4. New York: Oxford University Press, 2013.