Gaya APA

MD, F, P. et al (2007). Preterm Birth: Mechanisms, Mediators, Prediction, Prevention and Interventions . United Kingdom: Informa Healthcare USA, Inc..

Gaya MLA

MD, FELICE, PETRAGLIA. et al. "Preterm Birth: Mechanisms, Mediators, Prediction, Prevention and Interventions". United Kingdom: Informa Healthcare USA, Inc., 2007. Electronic Resource.