Clarke,Alan, & Dawson,Ruth. (1999). Evaluation Research: An introduction to principles, methods and practice. Sage Publications.
Čikaški stil citiranjaClarke,Alan, i Dawson,Ruth. Evaluation Research: An Introduction to Principles, Methods and Practice. London: Sage Publications, 1999.
MLA način citiranjaClarke,Alan, i Dawson,Ruth. Evaluation Research: An Introduction to Principles, Methods and Practice. Sage Publications, 1999.
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