Association, B. S. R. (1971). Shaft alignment 1966-1974. Wallsend : British Ship Research Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAssociation, British Ship Research. Shaft Alignment 1966-1974. Wallsend : British Ship Research Association, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAssociation, British Ship Research. Shaft Alignment 1966-1974. Wallsend : British Ship Research Association, 1971.
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