Cita APA (7th ed.)
Hacker, V., & Sumereder, C. Electrical Engineering: Fundamentals. Walter de Gruyter.
Cita Chicago (17th ed.)
Hacker, Viktor, i Christof Sumereder. Electrical Engineering: Fundamentals. Berlín, Alemania: Walter de Gruyter.
Cita MLA (9th ed.)
Hacker, Viktor, i Christof Sumereder. Electrical Engineering: Fundamentals. Walter de Gruyter.
Atenció: Aquestes cites poden no estar 100% correctes.