APA
Johnston M. W. &. M. G. W., . (2009). Sales force management. McGraw - Hill, New Delhi: .
Chicago
Johnston M W & Marshall Greg W, . 2009. Sales force management. McGraw - Hill, New Delhi: .
Harvard
Johnston M. W. &. M. G. W., . (2009). Sales force management. McGraw - Hill, New Delhi: .
MLA
Johnston M W & Marshall Greg W, . Sales force management. McGraw - Hill, New Delhi: . 2009.