Ryckman, W. G. <br/><br/>
Compensating your sales force :  how to use commissions. draws, bonuses and quotas to keep your sales hungry and productive / 
W. G. Ryckman & Robert G. Head 
 - Rev. ed. 
 - Chicago :  Probus,  1993 
 - 238 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>7155738485 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales personnel--Salaries, etc.<br/>Sales personnel--Salaries, etc.--United States