Gaya APA

Torchia, M, G. et al (2012). Before We Are Born 8Ed.: Essentials Of Embryology And Birth Defects with Student Consult Online Access . Amerika: Elsevier.

Gaya MLA

Torchia, Mark., G.. et al. "Before We Are Born 8Ed.: Essentials Of Embryology And Birth Defects with Student Consult Online Access". Amerika: Elsevier, 2012. Text.