Não informado. (1977). FAO Forestry Paper. Food and Agriculture Organization of the United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. FAO Forestry Paper. Rome: Food and Agriculture Organization of the United Nations, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. FAO Forestry Paper. Food and Agriculture Organization of the United Nations, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.