Não informado. (1909). Bulletin of the Department of Agriculture, Trinidad and Tobago. Trinidad and Tobago Department of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Department of Agriculture, Trinidad and Tobago. Port of Spain: Trinidad and Tobago Department of Agriculture, 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Department of Agriculture, Trinidad and Tobago. Trinidad and Tobago Department of Agriculture, 1909.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.