Haueisen, W. D. (1982). Business systems for microcomputers: Concept, design, and implementation. Prentice-Hall.
Chicago-viite (17. p.)Haueisen, William D. Business Systems for Microcomputers: Concept, Design, and Implementation. Englewood Cliffs, N.J: Prentice-Hall, 1982.
MLA-viite (9. p.)Haueisen, William D. Business Systems for Microcomputers: Concept, Design, and Implementation. Prentice-Hall, 1982.
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