Παραπομπή APA

Hellman, C. I. (1956). Elements of radio (3rd ed.). Van Nostrand Affilated East West Press.

Παραπομπή Chicago Style

Hellman, Charles I. Elements of Radio. 3rd ed. Princeton, N.J., New Delhi: Van Nostrand Affilated East West Press, 1956.

Παραπομπή MLA

Hellman, Charles I. Elements of Radio. 3rd ed. Van Nostrand Affilated East West Press, 1956.