Organisation for economic co-operation and development. (1987). Evaluation of Research: A seclection of current Practices. Organisation for economic co-operation and development.
استشهاد بنمط شيكاغوOrganisation for economic co-operation and development. Evaluation of Research: A Seclection of Current Practices. Organisation for economic co-operation and development, 1987.
MLA استشهادOrganisation for economic co-operation and development. Evaluation of Research: A Seclection of Current Practices. Organisation for economic co-operation and development, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.