Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.