Denning,Lord. (1993). The closing chapter. Aditya books private limited.
Dyfyniad Arddull ChicagoDenning,Lord. The Closing Chapter. New Delhi: Aditya books private limited, 1993.
Dyfyniad MLADenning,Lord. The Closing Chapter. Aditya books private limited, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.