APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (1971). Journal of the College Science Teaching. National Science Teachers Association.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Journal of the College Science Teaching. Washington: National Science Teachers Association, 1971.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Journal of the College Science Teaching. National Science Teachers Association, 1971.

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