Não informado. (1968). Journal of abstracts. British Ship Research Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Abstracts. London: British Ship Research Association, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Abstracts. British Ship Research Association, 1968.
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