Gaya APA

Wilson, J, D., Foster, D, W. (1992). Williams Textbook of Endocrinology (8th. Ed.). New York: W.B.Saunders Company.

Gaya MLA

Wilson, Jean, D., Foster, Daniel, W.. "Williams Textbook of Endocrinology". 8th. Ed. New York: W.B.Saunders Company, 1992. Text.