Ritz, G. J. (1994). Total construction project management. McGraw Hill Inc.
Dyfyniad Arddull ChicagoRitz, George J. Total Construction Project Management. New York: McGraw Hill Inc, 1994.
Dyfyniad MLARitz, George J. Total Construction Project Management. McGraw Hill Inc, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.