Ryckman, W. (1993). Compensating your sales force. Jaico.
Chicago-čujuhus (17. p.)Ryckman, W. Compensating Your Sales Force. Bombay: Jaico, 1993.
MLA-čujuhus (9. p.)Ryckman, W. Compensating Your Sales Force. Jaico, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.