Duvall, S. M. (1961). The art and skill of getting along with people. Prentice Hall Inc.
シカゴスタイル引用形Duvall, Sylvanus M. The Art and Skill of Getting Along with People. United States: Prentice Hall Inc, 1961.
MLA引用形式Duvall, Sylvanus M. The Art and Skill of Getting Along with People. Prentice Hall Inc, 1961.
警告: この引用は必ずしも正確ではありません.