CLARK, J. R. (1986). Using and understanding engineering service and construction contracts. Van Nostrand Reinhold.
Dyfyniad Arddull ChicagoCLARK, John R. Using and Understanding Engineering Service and Construction Contracts. New York: Van Nostrand Reinhold, 1986.
Dyfyniad MLACLARK, John R. Using and Understanding Engineering Service and Construction Contracts. Van Nostrand Reinhold, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.