एपीए उद्धरण

Kathryn Whyman. (1987). Resources today: Plastics. New York: Gloucester Press.

शिकागो स्टाइल उद्धरण

Kathryn Whyman. Resources Today: Plastics. New York: Gloucester Press, 1987.

एमएलए उद्धरण

Kathryn Whyman. Resources Today: Plastics. New York: Gloucester Press, 1987.