APA aipamena

Napier, R. W., & Gershenfeld, M. K. (1999). Groups, theory and experience (6th ed.). Houghton Mifflin.

Chicago Style aipamena

Napier, Rodney W., and Matti K. Gershenfeld. Groups, Theory and Experience. 6th ed. Boston: Houghton Mifflin, 1999.

MLA aipamena

Napier, Rodney W., and Matti K. Gershenfeld. Groups, Theory and Experience. 6th ed. Houghton Mifflin, 1999.