Machol, R. E., & Wilson, P. T. S. (1965). System engineering handbook. McGraw-Hill.
Dyfyniad Arddull ChicagoMachol, Robert E., and P T Samuel Wilson. System Engineering Handbook. New York: McGraw-Hill, 1965.
Dyfyniad MLAMachol, Robert E., and P T Samuel Wilson. System Engineering Handbook. McGraw-Hill, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.