Parsons, J. J., & Oja, D. (1996). Computer concepts (2nd ed.). CTI.
Lua i Stíl Chicago (17ú heag.)Parsons, June Jamrich, agus Dan Oja. Computer Concepts. 2nd ed. Boston: CTI, 1996.
Lua MLA (9ú heag.)Parsons, June Jamrich, agus Dan Oja. Computer Concepts. 2nd ed. CTI, 1996.
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