Gaya APA

Blackburn, S, T. (2003). Maternal, Fetal, & Neonatal Physiology : A Clinical Perspective (2). USA: Saunders Elsevier.

Gaya MLA

Blackburn, Susan, Tucker. "Maternal, Fetal, & Neonatal Physiology : A Clinical Perspective". 2 USA: Saunders Elsevier, 2003. Text.