Gaya APA

Gilbert, S, F., Singer, S, R. (2000). Developmental biology (6 th Ed.). Sunderland, Massachusetts: Sinauer Associates, Inc. Publishers.

Gaya MLA

Gilbert, Scott, F.., Singer, Susan, R.. "Developmental biology". 6 th Ed. Sunderland, Massachusetts: Sinauer Associates, Inc. Publishers, 2000. Text.