APA (7 वां संस्करण) प्रशस्ति पत्र

Dale, R. (2004). Evaluating development programmes and projects (Second edition.). Sage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Dale, Reidar. Evaluating Development Programmes and Projects. Second edition. Thousand Oaks, Calif.: Sage, 2004.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Dale, Reidar. Evaluating Development Programmes and Projects. Second edition. Sage, 2004.