Gaya APA

Cunningham, F, G. et al (2023). Obstetri williams volume 2 = williams obstetics 25th ed (Ed. 25). Jakarta: EGC.

Gaya MLA

Cunningham, F., Gary. et al. "Obstetri williams volume 2 = williams obstetics 25th ed". Ed. 25 Jakarta: EGC, 2023. Text.