Gaya APA
Cunningham, et al. (2013).
Obstetri Williams: Edisi 23 Volume 2 (Ed. 23, Vol. 2).
Djakarta Perpustakaan Perguru:
EGC.
Gaya MLA
Cunningham, et al..
Obstetri Williams: Edisi 23 Volume 2.
Ed. 23, Vol. 2
Djakarta Perpustakaan Perguru:
EGC,
2013.
Text.