Clarence C. Walton. (1970). Business and social progress. New York: praeger Publishers.
Dyfyniad Arddull ChicagoClarence C. Walton. Business and Social Progress. New York: praeger Publishers, 1970.
Dyfyniad MLAClarence C. Walton. Business and Social Progress. New York: praeger Publishers, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.