Whalen, D. (1978). handbook for business writers. Hartcourt Brauce Jovanovich.
Chicago-čujuhus (17. p.)Whalen, Doris. Handbook for Business Writers. New York: Hartcourt Brauce Jovanovich, 1978.
MLA-čujuhus (9. p.)Whalen, Doris. Handbook for Business Writers. Hartcourt Brauce Jovanovich, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.