APA (7th ed.) Citation

-. Obstetri Williams, edisi 21, vol 1. EGC.

Chicago Style (17th ed.) Citation

-. Obstetri Williams, Edisi 21, Vol 1. EGC.

MLA (8th ed.) Citation

-. Obstetri Williams, Edisi 21, Vol 1. EGC.

Warning: These citations may not always be 100% accurate.