Tokheim, R. L. (1994). Digital Electronics (6th ed.). Glencoe.
Chicago-čujuhus (17. p.)Tokheim, Roger L. Digital Electronics. 6th ed. New Delhi: Glencoe, 1994.
MLA-čujuhus (9. p.)Tokheim, Roger L. Digital Electronics. 6th ed. Glencoe, 1994.
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