Dyfyniad APA

Christian, J. (1981). Management, Machines and Methods in Civil Engineering. John Wiley.

Dyfyniad Arddull Chicago

Christian, John. Management, Machines and Methods in Civil Engineering. New York: John Wiley, 1981.

Dyfyniad MLA

Christian, John. Management, Machines and Methods in Civil Engineering. John Wiley, 1981.

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