APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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