एपीए उद्धरण

(2013). Speak now: Communicate with confidence: Workbook 2. New York: Oxford University Press.

शिकागो स्टाइल उद्धरण

Speak Now: Communicate With Confidence: Workbook 2. New York: Oxford University Press, 2013.

एमएलए उद्धरण

Speak Now: Communicate With Confidence: Workbook 2. New York: Oxford University Press, 2013.