Dyfyniad APA

Guthrie, J. (1971). A History of Marine Engineering. Hutchinson.

Dyfyniad Arddull Chicago

Guthrie, John. A History of Marine Engineering. London: Hutchinson, 1971.

Dyfyniad MLA

Guthrie, John. A History of Marine Engineering. Hutchinson, 1971.

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