Cita APA (7th ed.)

Happell, G. E., & Hesselberth, W. M. (1953). Engineering electronics. McGraw-Hill.

Cita Chicago (17th ed.)

Happell, George E., i Wilfred M. Hesselberth. Engineering Electronics. New York: McGraw-Hill, 1953.

Cita MLA (9th ed.)

Happell, George E., i Wilfred M. Hesselberth. Engineering Electronics. McGraw-Hill, 1953.