Gaya APA

BLACKBURN, S, T. (2013). Maternal, Fetal, & Neonatal Physiology: A Clinical Perspective Ed. 4 (4). America: Elsevier.

Gaya MLA

BLACKBURN, Susan, Tunker. "Maternal, Fetal, & Neonatal Physiology: A Clinical Perspective Ed. 4". 4 America: Elsevier, 2013. Text.