Cita APA (7th ed.)
Tokheim, R. L. (1994). Schaum's outline of theory and problems of digital principles (3rd ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Tokheim, Roger L. Schaum's Outline of Theory and Problems of Digital Principles. 3rd ed. New York : New Delhi: McGraw-Hill, 1994.
Cita MLA (9th ed.)
Tokheim, Roger L. Schaum's Outline of Theory and Problems of Digital Principles. 3rd ed. McGraw-Hill, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.