APA-čujuhus (7. p.)
Schiffman, S. (2008). The 25 sales habits of highly successful salespeople (3rd ed.). Adams Media.
Chicago-čujuhus (17. p.)
Schiffman, Stephan. The 25 Sales Habits of Highly Successful Salespeople. 3rd ed. Avon, Mass.: Adams Media, 2008.
MLA-čujuhus (9. p.)
Schiffman, Stephan. The 25 Sales Habits of Highly Successful Salespeople. 3rd ed. Adams Media, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.