Não informado. (2004). Journal of Agriculture and Environment for International Development. Istituto Agronomico per l' Otremare.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Agriculture and Environment for International Development. Florence, Italia: Istituto Agronomico per l' Otremare, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Agriculture and Environment for International Development. Istituto Agronomico per l' Otremare, 2004.
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