HAMEROFF E J. (1998). ADVERTISING AGENCY BUSINESS (3RD.). NTC BUSINESS BOOKS.
Chicago-čujuhus (17. p.)HAMEROFF E J. ADVERTISING AGENCY BUSINESS. 3RD. USA: NTC BUSINESS BOOKS, 1998.
MLA-čujuhus (9. p.)HAMEROFF E J. ADVERTISING AGENCY BUSINESS. 3RD. NTC BUSINESS BOOKS, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.