Não informado. (1981). Microcomputer Systems. Derivation and Tabulation Associates.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Microcomputer Systems. Orange, NJ: Derivation and Tabulation Associates, 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Microcomputer Systems. Derivation and Tabulation Associates, 1981.
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