APA (7 वां संस्करण) प्रशस्ति पत्र

AL- Assaf, A. (2000). Health care quality: An international perspective. World Health Organization.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

AL- Assaf, A.F. Health Care Quality: An International Perspective. New Delhi: World Health Organization, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

AL- Assaf, A.F. Health Care Quality: An International Perspective. World Health Organization, 2000.