APA استشهاد

Duvall, S. M. (1961). The art and skill of getting along with people. Prentice Hall Inc.

استشهاد بنمط شيكاغو

Duvall, Sylvanus M. The Art and Skill of Getting Along with People. United States: Prentice Hall Inc, 1961.

MLA استشهاد

Duvall, Sylvanus M. The Art and Skill of Getting Along with People. Prentice Hall Inc, 1961.