Παραπομπή APA

Gibbons, M., & Georghiou, L. (1987). Evaluation of research: A selection of current practices. Paris: Organisation for Economic Co-operation and Development.

Παραπομπή Chicago Style

Gibbons, Michael, and Luke Georghiou. Evaluation of Research: A Selection of Current Practices. Paris: Organisation for Economic Co-operation and Development, 1987.

Παραπομπή MLA

Gibbons, Michael, and Luke Georghiou. Evaluation of Research: A Selection of Current Practices. Paris: Organisation for Economic Co-operation and Development, 1987.

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