Dyfyniad APA

Watts, O. M. (1971). Coastal and ocean seamanship. Thomas reed.

Dyfyniad Arddull Chicago

Watts, Oswald M. Coastal and Ocean Seamanship. London: Thomas reed, 1971.

Dyfyniad MLA

Watts, Oswald M. Coastal and Ocean Seamanship. Thomas reed, 1971.

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