APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Iglehart, C., & Zsofka, G. J. (2013). Farming and farmland in the United States: Changes and trends. Nova Science ; Gazelle [distributor].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Calvin Iglehart, और Grant J. Zsofka. Farming and Farmland in the United States: Changes and Trends. Hauppauge, N.Y. : Lancaster: Nova Science ; Gazelle [distributor], 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Farming and Farmland in the United States: Changes and Trends. Nova Science ; Gazelle [distributor], 2013.
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