Não informado. Quarterly Statistical Bulletin on Coffee. International Coffee Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Statistical Bulletin on Coffee. London: International Coffee Organization.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Statistical Bulletin on Coffee. International Coffee Organization.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.