Tetley, L., & Calcutt, D. (1991). Electronic aids to navigation: Position fixing. London : Edward Arnold.
Chicago Style aipamenaTetley, L., and David Calcutt. Electronic Aids to Navigation: Position Fixing. London : Edward Arnold, 1991.
MLA aipamenaTetley, L., and David Calcutt. Electronic Aids to Navigation: Position Fixing. London : Edward Arnold, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.