British standards instituion (BSI). (1976). BS [1000] [[621.4]]: [1976] Heat engines. British Standard Institution.
Chicago Style aipamenaBritish standards instituion (BSI). BS [1000] [[621.4]]: [1976] Heat Engines. London: British Standard Institution, 1976.
MLA aipamenaBritish standards instituion (BSI). BS [1000] [[621.4]]: [1976] Heat Engines. British Standard Institution, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.