Gaya APA

al., N, A, E. (2010). Congenital Abnormalities and Preterm Birth Related to Maternal Illnesses During Pregnancy . : Springer.

Gaya MLA

al., Nandor, Acs,, Et. "Congenital Abnormalities and Preterm Birth Related to Maternal Illnesses During Pregnancy". : Springer, 2010. .