APA (7th ed.) Zitazioa
Walker Roger S. (1984). Understanding computer science (2 nd ed.). Texas Instruments.
Chicago Style (17th ed.) Zitazioa
Walker Roger S. Understanding Computer Science. 2 nd ed. Texas: Texas Instruments, 1984.
MLA (9th ed.) Zitazioa
Walker Roger S. Understanding Computer Science. 2 nd ed. Texas Instruments, 1984.
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