Peurifoy, R. L. (2011). Construction planning, equipment, and methods (8th ed.). McGraw-Hill Higher Education.
Dyfyniad Arddull ChicagoPeurifoy, R. L. Construction Planning, Equipment, and Methods. 8th ed. Boston: McGraw-Hill Higher Education, 2011.
Dyfyniad MLAPeurifoy, R. L. Construction Planning, Equipment, and Methods. 8th ed. McGraw-Hill Higher Education, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.