Dyfyniad APA

PURCHALL, F. (1972). Case Studies In Business Data Processing F.w.purchall And Raymond S. Walker. MacMilan Press Ltd.

Dyfyniad Arddull Chicago

PURCHALL, F.W. Case Studies In Business Data Processing F.w.purchall And Raymond S. Walker. MacMilan Press Ltd, 1972.

Dyfyniad MLA

PURCHALL, F.W. Case Studies In Business Data Processing F.w.purchall And Raymond S. Walker. MacMilan Press Ltd, 1972.

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