APA (7 वां संस्करण) प्रशस्ति पत्र

GILLEN TERRY. (2009). PERFORMANCE MANAGEMENT & APPRAISAL (1st.). CHARTERED INSTITUTE OF PERSONNEL AND DEVELOPMENT.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

GILLEN TERRY. PERFORMANCE MANAGEMENT & APPRAISAL. 1st. LONDON: CHARTERED INSTITUTE OF PERSONNEL AND DEVELOPMENT, 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

GILLEN TERRY. PERFORMANCE MANAGEMENT & APPRAISAL. 1st. CHARTERED INSTITUTE OF PERSONNEL AND DEVELOPMENT, 2009.