Dyfyniad APA

Tetley, L., & Calcutt, D. (1991). Electronic aids to navigation: Position fixing. London : Edward Arnold.

Dyfyniad Arddull Chicago

Tetley, L., and David Calcutt. Electronic Aids to Navigation: Position Fixing. London : Edward Arnold, 1991.

Dyfyniad MLA

Tetley, L., and David Calcutt. Electronic Aids to Navigation: Position Fixing. London : Edward Arnold, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.