Haag, S., Cummings, M., & Rea, A. I. (2004). Computing concepts: Introductory edition (2nd ed.). Boston: McGraw-Hill Technology Education.
Čikaški stil citiranjaHaag, Stephen., Maeve Cummings, i Alan I. Rea. Computing Concepts: Introductory Edition. 2nd ed. Boston: McGraw-Hill Technology Education, 2004.
MLA način citiranjaHaag, Stephen., Maeve Cummings, i Alan I. Rea. Computing Concepts: Introductory Edition. 2nd ed. Boston: McGraw-Hill Technology Education, 2004.
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