Oshaughnessy, J. (1971). Evaluate your sales force. British Institute of Management.
Chicago Style aipamenaOshaughnessy, J. Evaluate Your Sales Force. London: British Institute of Management, 1971.
MLA aipamenaOshaughnessy, J. Evaluate Your Sales Force. British Institute of Management, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.