Boyd, I. L., Browen, W., & Iverson, S. J. (2010). Marine mammal ecology and conservation: Handbook of techniques. Oxford University Press.

Boyd, Ian L., W.Don Browen, and Sara J. Iverson. Marine Mammal Ecology and Conservation: Handbook of Techniques. New York: Oxford University Press, 2010.

Boyd, Ian L., et al. Marine Mammal Ecology and Conservation: Handbook of Techniques. Oxford University Press, 2010.