Gaya APA

Burroughs, A., Leifer, G. (2000). Maternity Nursing : An Introductory Text . USA: W.B Saunder Company.

Gaya MLA

Burroughs, Arlene., Leifer, Gloria. "Maternity Nursing : An Introductory Text". USA: W.B Saunder Company, 2000. Buku Text.