The Journal of the National Association of College Teachers of Agriculture. North American Colleges and Teachers of Agriculture (NACTA).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Journal of the National Association of College Teachers of Agriculture. North American Colleges and Teachers of Agriculture (NACTA).
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Journal of the National Association of College Teachers of Agriculture. North American Colleges and Teachers of Agriculture (NACTA).
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