Allen, M. E., Amand, W. B., Asa, C. S., Baer, D. J., Baker, A. J. 1., Kleiman, D. G. 1., . . . Harris, H. (1996). Wild mammals in captivity: Principles and techniques. Chicago: The University of Chicago Press.

Allen, Mary Eleanor, Wilbur B. Amand, Cheryl S. Asa, David J. Baer, Andrew J. 1933-2013 Baker, Devra Gail 1942-2010 Kleiman, Katerina V. Thompson, Susan Lumpkin, and Holly Harris. Wild Mammals in Captivity: Principles and Techniques. Chicago: The University of Chicago Press, 1996.

Allen, Mary Eleanor, et al. Wild Mammals in Captivity: Principles and Techniques. Chicago: The University of Chicago Press, 1996.