Gaya APA

Casanova, R. et al (2019). Beckmann and Ling's obstetrics and gynecology 8th edition (8th Edition). china: Wolters Kluwer.

Gaya MLA

Casanova, Robert. et al. "Beckmann and Ling's obstetrics and gynecology 8th edition". 8th Edition china: Wolters Kluwer, 2019. Teks (Text).