Dyfyniad APA

Tetley, L., & Calcutt, D. Electronic aids to navigation: :position fixing.

Dyfyniad Arddull Chicago

Tetley, L., and D. Calcutt. Electronic Aids to Navigation: :position Fixing. London.

Dyfyniad MLA

Tetley, L., and D. Calcutt. Electronic Aids to Navigation: :position Fixing.

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