Não informado. (1964). Leaflet series. Florida State Board of Conservation, Marine Laboratory.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Leaflet Series. St. Petersburg, Fla: Florida State Board of Conservation, Marine Laboratory, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Leaflet Series. Florida State Board of Conservation, Marine Laboratory, 1964.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.