Gaya APA
TOY, E, C., Benton, B, I. (2016).
CASE Files obstetrics and gynecology (5th ed.).
New York:
Mc Graw Hill Education.
Gaya MLA
TOY, Eugene, C.., Benton, BAKER, III,.
"CASE Files obstetrics and gynecology ".
5th ed.
New York:
Mc Graw Hill Education,
2016.
Buku.