National Association of Colleges and Teachers of Agriculture & North American Colleges and Teachers of Agriculture. NACTA journal. National Association of Colleges and Teachers of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Association of Colleges and Teachers of Agriculture और North American Colleges and Teachers of Agriculture. NACTA Journal. [Urbana, Ill.]: National Association of Colleges and Teachers of Agriculture.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Association of Colleges and Teachers of Agriculture और North American Colleges and Teachers of Agriculture. NACTA Journal. National Association of Colleges and Teachers of Agriculture.
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