Cita APA (7th ed.)

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.