Beck, R. H. (1953). Curriculum in the modern elementary school. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeck, Robert Holmes. Curriculum in the Modern Elementary School. New York: Prentice-Hall, 1953.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBeck, Robert Holmes. Curriculum in the Modern Elementary School. Prentice-Hall, 1953.
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