Dyfyniad APA

Hawksworth, D. L., & Bull, A. T. (2006). Human exploitation and biodiversity conservation. Springer.

Dyfyniad Arddull Chicago

Hawksworth, David L., and Alan T. Bull. Human Exploitation and Biodiversity Conservation. Dordrecht: Springer, 2006.

Dyfyniad MLA

Hawksworth, David L., and Alan T. Bull. Human Exploitation and Biodiversity Conservation. Springer, 2006.

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