Still, R. R. C. (1988). Sales Management (2nd ed.). Pearson Education.
Chicago-čujuhus (17. p.)Still, Richard R; Cundiff. Sales Management. 2nd ed. New Delhi: Pearson Education, 1988.
MLA-čujuhus (9. p.)Still, Richard R; Cundiff. Sales Management. 2nd ed. Pearson Education, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.