APA aipamena

Kakkar, G. (2008). Performance appraisal system: New challenges. RBSA.

Chicago Style aipamena

Kakkar, Gurudutt. Performance Appraisal System: New Challenges. Jaipur: RBSA, 2008.

MLA aipamena

Kakkar, Gurudutt. Performance Appraisal System: New Challenges. RBSA, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.