Gaya APA

MD, A., A. (2014). Ultrasound in Obstetrics and Gynecology: A Practical Approach (Edisi 1). S.l: S.n.

Gaya MLA

MD, A., A.. Ultrasound in Obstetrics and Gynecology: A Practical Approach. Edisi 1 S.l: S.n, 2014. Text.