Παραπομπή APA

Helszajn, J. (1978). Passive and active microwave circuits. Wiley Eastern.

Παραπομπή Chicago Style

Helszajn, Joseph. Passive and Active Microwave Circuits. New York: Wiley Eastern, 1978.

Παραπομπή MLA

Helszajn, Joseph. Passive and Active Microwave Circuits. Wiley Eastern, 1978.