Fritzsche, P. (2008). Hamsters: Everything about selection, care, nutrition, and behavior. Barron's Educational Series.
Cita Chicago Style (17a ed.)Fritzsche, Peter. Hamsters: Everything About Selection, Care, Nutrition, and Behavior. Hauppauge, NY: Barron's Educational Series, 2008.
Cita MLA (8a ed.)Fritzsche, Peter. Hamsters: Everything About Selection, Care, Nutrition, and Behavior. Barron's Educational Series, 2008.
Precaución: Estas citas no son 100% exactas.