APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Gertel, J., & Le Heron, R. B. (2011). Economic spaces of pastoral production and commodity systems: Markets and livelihoods. Ashgate Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Jörg Gertel, और Richard B. Le Heron. Economic Spaces of Pastoral Production and Commodity Systems: Markets and Livelihoods. Farnham, Surrey, England ; Burlington, Vt.: Ashgate Pub. Co., 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Economic Spaces of Pastoral Production and Commodity Systems: Markets and Livelihoods. Ashgate Pub. Co., 2011.
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