Yoon, S. Y. (1980). A score for development: New directions in monitoring and evaluation. United Nations Asian and Pacific Development Institute.
Lua i Stíl Chicago (17ú heag.)Yoon, Soon Young. A Score for Development: New Directions in Monitoring and Evaluation. [Washington, D.C.]: United Nations Asian and Pacific Development Institute, 1980.
Lua MLA (9ú heag.)Yoon, Soon Young. A Score for Development: New Directions in Monitoring and Evaluation. United Nations Asian and Pacific Development Institute, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.