Yoon, S. Y. (1980). A score for development: New directions in monitoring and evaluation. United Nations Asian and Pacific Development Institute.
Cita Chicago (17th ed.)Yoon, Soon Young. A Score for Development: New Directions in Monitoring and Evaluation. [Washington, D.C.]: United Nations Asian and Pacific Development Institute, 1980.
Cita MLA (9th ed.)Yoon, Soon Young. A Score for Development: New Directions in Monitoring and Evaluation. United Nations Asian and Pacific Development Institute, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.