Ingalsbe, L. (1988). Business applications software for the IBM PC: Alternate edition with Lotus 1-2-3, dBase III/III Plus, and WordPerfect. Merrill Pub. Co.
Citace podle Chicago (17th ed.)Ingalsbe, Lon. Business Applications Software for the IBM PC: Alternate Edition with Lotus 1-2-3, DBase III/III Plus, and WordPerfect. Columbus, Ohio: Merrill Pub. Co, 1988.
Citace podle MLA (9th ed.)Ingalsbe, Lon. Business Applications Software for the IBM PC: Alternate Edition with Lotus 1-2-3, DBase III/III Plus, and WordPerfect. Merrill Pub. Co, 1988.
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