Association, B. S. R. (1971). Shaft alignment 1966-1974. Wallsend : British Ship Research Association.
Cita Chicago (17th ed.)Association, British Ship Research. Shaft Alignment 1966-1974. Wallsend : British Ship Research Association, 1971.
Cita MLA (9th ed.)Association, British Ship Research. Shaft Alignment 1966-1974. Wallsend : British Ship Research Association, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.