United States Agency for International Development. Office of Development Program Review and Evaluation. (1974). Project evaluation guidelines (3rd ed.). Office of Development Program Review and Evaluation, United States Agency for International Developnment.
Citace podle Chicago (17th ed.)United States Agency for International Development. Office of Development Program Review and Evaluation. Project Evaluation Guidelines. 3rd ed. Washington: Office of Development Program Review and Evaluation, United States Agency for International Developnment, 1974.
Citace podle MLA (9th ed.)United States Agency for International Development. Office of Development Program Review and Evaluation. Project Evaluation Guidelines. 3rd ed. Office of Development Program Review and Evaluation, United States Agency for International Developnment, 1974.