Day, J. C., Athey, T. H., & Zmud, R. W. (1988). Microcomputers and applications. Scott, Foresman.
Lua i Stíl Chicago (17ú heag.)Day, John C., Thomas H. Athey, agus Robert W. Zmud. Microcomputers and Applications. Glenview, Ill.: Scott, Foresman, 1988.
Lua MLA (9ú heag.)Day, John C., et al. Microcomputers and Applications. Scott, Foresman, 1988.
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