Association, B. S. R. (197). Ocean mining. Wallsend : British Ship Research Association.
Chicago-referens (17:e uppl.)Association, British Ship Research. Ocean Mining. Wallsend : British Ship Research Association, 197.
MLA-referens (9:e uppl.)Association, British Ship Research. Ocean Mining. Wallsend : British Ship Research Association, 197.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.