Não informado. (1986). Abstracts on Rural Development in the Tropics. Royal Tropical Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts on Rural Development in the Tropics. Amsterdam: Royal Tropical Institute, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts on Rural Development in the Tropics. Royal Tropical Institute, 1986.
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