Dale Carnegie. (2011). How to Win Friends and Influence People in the Digital Age. London.
シカゴスタイル引用形Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.
MLA引用形式Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.
警告: この引用は必ずしも正確ではありません.