Dyfyniad APA

Burger, J., & Zappalorti, R. T. (2011). The northern pine snake (pituophis melanoleucus): Its life history, behavior and conservation. Nova Science Publishers.

Dyfyniad Arddull Chicago

Burger, Joanna, and Robert T. Zappalorti. The Northern Pine Snake (pituophis Melanoleucus): Its Life History, Behavior and Conservation. Hauppauge, N.Y.: Nova Science Publishers, 2011.

Dyfyniad MLA

Burger, Joanna, and Robert T. Zappalorti. The Northern Pine Snake (pituophis Melanoleucus): Its Life History, Behavior and Conservation. Nova Science Publishers, 2011.

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