APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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