Dyfyniad APA

Allee, W. C., & Schmidt, K. P. Ecological animal geography: : 2nd ed (2nd ed.).

Dyfyniad Arddull Chicago

Allee, W. C., and Karl P. Schmidt. Ecological Animal Geography: : 2nd Ed. 2nd ed.

Dyfyniad MLA

Allee, W. C., and Karl P. Schmidt. Ecological Animal Geography: : 2nd Ed. 2nd ed.

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