एपीए उद्धरण

Hutchinson, T., & Flamm, J. (1997). American hotline intermediate student book. New York: Oxford University Press.

शिकागो स्टाइल उद्धरण

Hutchinson, Tom, और Jacqueline Flamm. American Hotline Intermediate Student Book. New York: Oxford University Press, 1997.

एमएलए उद्धरण

Hutchinson, Tom, और Jacqueline Flamm. American Hotline Intermediate Student Book. New York: Oxford University Press, 1997.