Gaya APA

Schoenwolf, G, C. (2001). Laboratory Studies of Vertebrate and Invertebrate Embryos : Guideand Atlas of Descriptive and Experimental Development Eighth Edition . New Jersey: Prenticehall.

Gaya MLA

Schoenwolf, Gary, C. "Laboratory Studies of Vertebrate and Invertebrate Embryos : Guideand Atlas of Descriptive and Experimental Development Eighth Edition". New Jersey: Prenticehall, 2001. .