Titus, J. A., Larsen, D. G., & Titus, C. A. (1979). TRS-80 interfacing. H. W. Sams.
Tohutoru Kātū ChicagoTitus, Jonathan A., David G. Larsen, me Christopher A. Titus. TRS-80 Interfacing. Indianapolis, Ind.: H. W. Sams, 1979.
Tohutoro MLATitus, Jonathan A., et al. TRS-80 Interfacing. H. W. Sams, 1979.
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