Παραπομπή APA

Cobett, J., & Corbett, J. (1999). Tree tops (8th.). OUP..

Παραπομπή Chicago Style

Cobett, Jim, και Jim Corbett. Tree Tops. 8th. Delhi: OUP., 1999.

Παραπομπή MLA

Cobett, Jim, και Jim Corbett. Tree Tops. 8th. OUP., 1999.