Não informado. (2008). Quarterly Record of the Royal Botanic Society of London. Royal Botanic Society of London.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Record of the Royal Botanic Society of London. London: Royal Botanic Society of London, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Record of the Royal Botanic Society of London. Royal Botanic Society of London, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.