APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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