Pettit, L. C. (1962). Introductory zoology. The C. V. Mosby Company.
Chicago-čujuhus (17. p.)Pettit, Lincoln Coles. Introductory Zoology. Saint Louis: The C. V. Mosby Company, 1962.
MLA-čujuhus (9. p.)Pettit, Lincoln Coles. Introductory Zoology. The C. V. Mosby Company, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.