Gaya APA

Journal of Obstetrics & Gynekology Science Vol. 31 No. 1 April 2023. (2023). Surabaya: Universtas Airlangga.

Gaya MLA

Journal of Obstetrics & Gynekology Science Vol. 31 No. 1 April 2023. . Surabaya: Universtas Airlangga, 2023. Text.