Cita APA

Clarke,Alan, & Dawson,Ruth. (1999). Evaluation Research: An introduction to principles, methods and practice. Sage Publications.

Citación estilo Chicago

Clarke,Alan, y Dawson,Ruth. Evaluation Research: An Introduction to Principles, Methods and Practice. London: Sage Publications, 1999.

Cita MLA

Clarke,Alan, y Dawson,Ruth. Evaluation Research: An Introduction to Principles, Methods and Practice. Sage Publications, 1999.