Hickman, c. P., Hickman, F., & Roberts, L. S. (1989). Biology of animals (4th ed.). Mosby college.
Chicago-čujuhus (17. p.)Hickman, cleveland P., Frances Hickman, juo Larry S. Roberts. Biology of Animals. 4th ed. St. Louis: Mosby college, 1989.
MLA-čujuhus (9. p.)Hickman, cleveland P., et al. Biology of Animals. 4th ed. Mosby college, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.