Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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