Hearle, E. F. R., & Mason, R. J. (1963). A data processing system for States and local governments. Prentice-Hall.
Dyfyniad Arddull ChicagoHearle, Edward F R., and Raymond J. Mason. A Data Processing System for States and Local Governments. Englewood Cliffs, N. J: Prentice-Hall, 1963.
Dyfyniad MLAHearle, Edward F R., and Raymond J. Mason. A Data Processing System for States and Local Governments. Prentice-Hall, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.