Gaya APA

all, Y, P, P, E. (2018). Majalah Obstetri dan Ginekologi Vol 26 No 1 April 2018 (April 2018). Surabaya: Department of Obstetrics & Gynecology, Airlangga University.

Gaya MLA

all, Yulia, Putri, Permatasari, Et. "Majalah Obstetri dan Ginekologi Vol 26 No 1 April 2018". April 2018 Surabaya: Department of Obstetrics & Gynecology, Airlangga University, 2018. Text.