APA aipamena

Villee, C. A. (1992). Biologia (2 ed.). Interamericana - McGraw-Hill.

Chicago Style aipamena

Villee, Claude A. Biologia. 2 ed. mexico D F: Interamericana - McGraw-Hill, 1992.

MLA aipamena

Villee, Claude A. Biologia. 2 ed. Interamericana - McGraw-Hill, 1992.