Παραπομπή APA
Irving, R. H., & Higgins, C. A. (1991). Office information systems: Management issues and methods. Chichester: John Wiley & Sons.
Παραπομπή Chicago StyleIrving, Richard H., and Christopher A. Higgins. Office Information Systems: Management Issues and Methods. Chichester: John Wiley & Sons, 1991.
Παραπομπή MLAIrving, Richard H., and Christopher A. Higgins. Office Information Systems: Management Issues and Methods. Chichester: John Wiley & Sons, 1991.
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