Gordon Lewis, H. (1996). Copywriting power. Deep&Deep Publications.
シカゴスタイル引用形Gordon Lewis, Herschell. Copywriting Power. New Delhi: Deep&Deep Publications, 1996.
MLA引用形式Gordon Lewis, Herschell. Copywriting Power. Deep&Deep Publications, 1996.
警告: この引用は必ずしも正確ではありません.