APA সাইটেশন

Ephross, P. H., & Vassil, T. V. (2005). Groups that work: Structure and process (2nd ed.). New York: Columbia University Press.

শিকাগো স্টাইলে সাইটেশন

Ephross, Paul H., এবং Thomas V. Vassil. Groups That Work: Structure and Process. 2nd ed. New York: Columbia University Press, 2005.

এমএলএ সাইটেশন

Ephross, Paul H., এবং Thomas V. Vassil. Groups That Work: Structure and Process. 2nd ed. New York: Columbia University Press, 2005.