Dyfyniad APA

Chiras, D. D. (1999). Human biology: Health, homostasis, and the environment (3rd ed.). Jones & Bartlett.

Dyfyniad Arddull Chicago

Chiras, Daniel D. Human Biology: Health, Homostasis, and the Environment. 3rd ed. Boston: Jones & Bartlett, 1999.

Dyfyniad MLA

Chiras, Daniel D. Human Biology: Health, Homostasis, and the Environment. 3rd ed. Jones & Bartlett, 1999.

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