Boolootian, R. A., & Stiles, K. A. (1981). College zoology (10th ed.). Macmillan.
Chicago-čujuhus (17. p.)Boolootian, Richard A., juo Karl Amos Stiles. College Zoology. 10th ed. New York: Macmillan, 1981.
MLA-čujuhus (9. p.)Boolootian, Richard A., juo Karl Amos Stiles. College Zoology. 10th ed. Macmillan, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.