(1967). Methods and statistical needs for educational planning. Paris: Organization for Economic Cooperation and Development.
استشهاد بنمط شيكاغوMethods and Statistical Needs for Educational Planning. Paris: Organization for Economic Cooperation and Development, 1967.
MLA استشهادMethods and Statistical Needs for Educational Planning. Paris: Organization for Economic Cooperation and Development, 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.