Levin, G. (1981). Prose Models (5th ed.). Harcourt Brace Jovanovich.
Chicago-čujuhus (17. p.)Levin, Gerald. Prose Models. 5th ed. New York: Harcourt Brace Jovanovich, 1981.
MLA-čujuhus (9. p.)Levin, Gerald. Prose Models. 5th ed. Harcourt Brace Jovanovich, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.