Gaya APA

(WHO), W, H, O., Widyastuti, P. (2001). Safe motherhood modul hemoragi postpartum : materi pendidikan kebidanan (Safe motherhood : eclampsia module education material for teachers of midwifery) . Jakarta: EGC.

Gaya MLA

(WHO), World, Health, Organization., Widyastuti, Palupi. "Safe motherhood modul hemoragi postpartum : materi pendidikan kebidanan (Safe motherhood : eclampsia module education material for teachers of midwifery)". Jakarta: EGC, 2001. Text.