Dyfyniad APA

Norton, H. S. (1963). Modern transportation economics. Merrill Books.

Dyfyniad Arddull Chicago

Norton, Hugh Stanton. Modern Transportation Economics. Columbus, Ohio: Merrill Books, 1963.

Dyfyniad MLA

Norton, Hugh Stanton. Modern Transportation Economics. Merrill Books, 1963.

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