Gaya APA

Fleischman, A, R. et al (2011). Prematurity : Art and science Clinics in perinatology . Philadelphia: W.B. Saunders.

Gaya MLA

Fleischman, Alan, R.. et al. "Prematurity : Art and science Clinics in perinatology". Philadelphia: W.B. Saunders, 2011. Text.