Belch. Advertising and Promotion: An Integrated Marketing.
Chicago-čujuhus (17. p.)Belch. Advertising and Promotion: An Integrated Marketing.
MLA-čujuhus (9. p.)Belch. Advertising and Promotion: An Integrated Marketing.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.