Hellman, C. I. (1956). Elements of radio (3rd ed.). Van Nostrand Affilated East West Press.
シカゴスタイル引用形Hellman, Charles I. Elements of Radio. 3rd ed. Princeton, N.J., New Delhi: Van Nostrand Affilated East West Press, 1956.
MLA引用形式Hellman, Charles I. Elements of Radio. 3rd ed. Van Nostrand Affilated East West Press, 1956.
警告: この引用は必ずしも正確ではありません.