DOUGLAS, H. (1986). MICROPROCESSORS AND INTERFACING PROGRAMMING AND HARDWARE. MCGRAW HILL BOOK CO.
Lua i Stíl Chicago (17ú heag.)DOUGLAS, HALL. MICROPROCESSORS AND INTERFACING PROGRAMMING AND HARDWARE. NEW-YORK: MCGRAW HILL BOOK CO, 1986.
Lua MLA (9ú heag.)DOUGLAS, HALL. MICROPROCESSORS AND INTERFACING PROGRAMMING AND HARDWARE. MCGRAW HILL BOOK CO, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.