Foster, P. (1967). Research on agricultural development in North Africa. Agricultural Development Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFoster, Phillips. Research on Agricultural Development in North Africa. New York: Agricultural Development Council, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFoster, Phillips. Research on Agricultural Development in North Africa. Agricultural Development Council, 1967.
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