Centre for Educational Research and Innovation. (1991). Environment, schools and active learning. Paris, France: OECD.
استشهاد بنمط شيكاغوCentre for Educational Research and Innovation. Environment, Schools and Active Learning. Paris, France: OECD, 1991.
MLA استشهادCentre for Educational Research and Innovation. Environment, Schools and Active Learning. Paris, France: OECD, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.