Dyfyniad APA

Chiras, D. D. (2008). Human biology (6th ed.). Jones and Bartlett Publishers.

Dyfyniad Arddull Chicago

Chiras, Daniel D. Human Biology. 6th ed. Sudbury, Mass.: Jones and Bartlett Publishers, 2008.

Dyfyniad MLA

Chiras, Daniel D. Human Biology. 6th ed. Jones and Bartlett Publishers, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.