Dyfyniad APA

Brady, E. M. (1967). Tugs, towboat and towing. Cornell Maritime Press.

Dyfyniad Arddull Chicago

Brady, Edward M. Tugs, Towboat and Towing. Cambridge: Cornell Maritime Press, 1967.

Dyfyniad MLA

Brady, Edward M. Tugs, Towboat and Towing. Cornell Maritime Press, 1967.

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