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Dyfyniad Arddull ChicagoWymore, A. Wayne. Mathematical Theory of Systems Engineering: The Elements. New York: Wiley Eastern, 1967.
Dyfyniad MLAWymore, A. Wayne. Mathematical Theory of Systems Engineering: The Elements. Wiley Eastern, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.