APA (7 वां संस्करण) प्रशस्ति पत्र
Crittenden, B. S. (1969). Means & ends in education: Comments on Living and learning. Ontario Institute for Studies in Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Crittenden, Brian S. Means & Ends in Education: Comments on Living and Learning. [Toronto]: Ontario Institute for Studies in Education, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Crittenden, Brian S. Means & Ends in Education: Comments on Living and Learning. Ontario Institute for Studies in Education, 1969.
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