Dyfyniad APA

Smith, G. (1989). Coastal navigation: :a programmed learning course (Ed.3.). Adlard coles nautical.

Dyfyniad Arddull Chicago

Smith, Gerry. Coastal Navigation: :a Programmed Learning Course. Ed.3. London: Adlard coles nautical, 1989.

Dyfyniad MLA

Smith, Gerry. Coastal Navigation: :a Programmed Learning Course. Ed.3. Adlard coles nautical, 1989.

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