Gaya APA
Wylen, M. (2006).
Pre Test The Right Questions for the Right Answers Obstetrics and Gynecology (11).
New York:
McGrowHill medical.
Gaya MLA
Wylen, Michele.
"Pre Test The Right Questions for the Right Answers Obstetrics and Gynecology".
11
New York:
McGrowHill medical,
2006.
Textbook.