HELLERMAN, H. (1967). Digital computers system principles. McGraw-Hill.
Cita Chicago (17th ed.)HELLERMAN, Herbert. Digital Computers System Principles. New York: McGraw-Hill, 1967.
Cita MLA (9th ed.)HELLERMAN, Herbert. Digital Computers System Principles. McGraw-Hill, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.