Penggayaan APA

LING, Frank W., DUFF, Patrick. (2001). Obstetrics and gynecology principles for practice . New York: McGraw-Hill.

Chicago Style

LING, Frank W., DUFF, Patrick. Obstetrics and gynecology principles for practice. New York: McGraw-Hill, 2001. Buku.

MLA Style

LING, Frank W., DUFF, Patrick. Obstetrics and gynecology principles for practice. New York: McGraw-Hill, 2001. Buku.

Turabian Style

LING, Frank W., DUFF, Patrick. Obstetrics and gynecology principles for practice. New York: McGraw-Hill, 2001. Buku.