Gaya APA

McDavid, J, C., Hawthorn, L, R, L. (2006). Program Evaluation and Performance Measurement : An Introduction to Practice . Thousand Oaks. London. New Del: Sage Publications.

Gaya MLA

McDavid, James, C.., Hawthorn, Laura, R., L.. "Program Evaluation and Performance Measurement : An Introduction to Practice". Thousand Oaks. London. New Del: Sage Publications, 2006. Texts.