Hartley, r. F. (1980). Retailing: Challenge and opportunity (2nd ed.). Houghston Mifflin.
Chicago-čujuhus (17. p.)Hartley, robert F. Retailing: Challenge and Opportunity. 2nd ed. London: Houghston Mifflin, 1980.
MLA-čujuhus (9. p.)Hartley, robert F. Retailing: Challenge and Opportunity. 2nd ed. Houghston Mifflin, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.