Gaya APA

CUNNINGHAM, F, G., LEVENO, K, J. (2005). WILLIAMS obstetrics (22nd ed.). New York: McGraw-Hill Medical Publishing Division.

Gaya MLA

CUNNINGHAM, F., Gary., LEVENO, Kenneth, J.. "WILLIAMS obstetrics". 22nd ed. New York: McGraw-Hill Medical Publishing Division, 2005. Buku.