Gaya APA

BOBAK, , Lowdermilk Jensen, (2005). Buku ajar keperawatan Maternitas ( Maternity Nursing ) (4). Jakarta: EGC.

Gaya MLA

BOBAK, , Lowdermilk Jensen, . Buku ajar keperawatan Maternitas ( Maternity Nursing ). 4 Jakarta: EGC, 2005. Text.