APA-čujuhus (7. p.)

Curtis, H. (1975). Biology (2nd.ed.). Worth.

Chicago-čujuhus (17. p.)

Curtis, Helena. Biology. 2nd.ed. New York: Worth, 1975.

MLA-čujuhus (9. p.)

Curtis, Helena. Biology. 2nd.ed. Worth, 1975.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.