OToole, C. (1990). Insects and spiders: Encyclopedia of the animal world. Facts on File.
Chicago-čujuhus (17. p.)OToole, Christopher. Insects and Spiders: Encyclopedia of the Animal World. New York: Facts on File, 1990.
MLA-čujuhus (9. p.)OToole, Christopher. Insects and Spiders: Encyclopedia of the Animal World. Facts on File, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.