Ryckman, W. (2007). Compensating your sales force. Jaico.
Chicago Style aipamenaRyckman, W.G. Compensating Your Sales Force. Mumbai: Jaico, 2007.
MLA aipamenaRyckman, W.G. Compensating Your Sales Force. Jaico, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.