Não informado. (1955). Contributions from the Dove Marine Laboratory, Cullercoats. Dove Marine Laboratory.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the Dove Marine Laboratory, Cullercoats. Newcastle upon Tyne, Inglaterra: Dove Marine Laboratory, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the Dove Marine Laboratory, Cullercoats. Dove Marine Laboratory, 1955.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.