BOLEN, E. G., & ROBINSON, W. L. (1999). Wildlife ecology and management.-- Ed.4. Prentice Hall.

BOLEN, Eric G., and William L. ROBINSON. Wildlife Ecology and Management.-- Ed.4. New Jersey: Prentice Hall, 1999.

BOLEN, Eric G., and William L. ROBINSON. Wildlife Ecology and Management.-- Ed.4. Prentice Hall, 1999.