Não informado. (1940). Farm and home science. Utah Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Farm and Home Science. Logan, Utah: Utah Agricultural Experiment Station, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Farm and Home Science. Utah Agricultural Experiment Station, 1940.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.