Gaya APA
WHO, . (2006).
Managing Prolonged And Obtructed Labour (2) = Penatalaksanaan Persalinan Lama dan Macet (2) (Edisi 2).
-:
WHO.
Gaya MLA
WHO, .
"Managing Prolonged And Obtructed Labour (2) = Penatalaksanaan Persalinan Lama dan Macet (2)".
Edisi 2
-:
WHO,
2006.
Textbook.