Dyfyniad APA

(1971). An engineer of sorts. Lymington,London: Nautical Publishing Co.,Harrap.

Dyfyniad Arddull Chicago

An Engineer of Sorts. Lymington,London: Nautical Publishing Co.,Harrap, 1971.

Dyfyniad MLA

An Engineer of Sorts. Lymington,London: Nautical Publishing Co.,Harrap, 1971.

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