Erickson, F. J., & Vonk, J. A. (1995). Computers: Concepts, implications, and applications with Microsoft Works 3.0 for Windows. Business and Educational Technologies.
Lua i Stíl Chicago (17ú heag.)Erickson, Fritz J., agus John A. Vonk. Computers: Concepts, Implications, and Applications with Microsoft Works 3.0 for Windows. Dubuque, IA: Business and Educational Technologies, 1995.
Lua MLA (8ú heag.)Erickson, Fritz J., agus John A. Vonk. Computers: Concepts, Implications, and Applications with Microsoft Works 3.0 for Windows. Business and Educational Technologies, 1995.
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