Williams, R. S. (1998). Performance management: Perspectives on employee performance. International Thomson Business Press.
Chicago Style aipamenaWilliams, Richard S. Performance Management: Perspectives on Employee Performance. London: International Thomson Business Press, 1998.
MLA aipamenaWilliams, Richard S. Performance Management: Perspectives on Employee Performance. International Thomson Business Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.