Lua APA (7ú heag.)

Napier, R., & Gershenfeld, M. K. (1981). Groups, theory and experience (2nd ed.). Houghton Mifflin.

Lua i Stíl Chicago (17ú heag.)

Napier, Rodney, agus Matti K. Gershenfeld. Groups, Theory and Experience. 2nd ed. Boston: Houghton Mifflin, 1981.

Lua MLA (9ú heag.)

Napier, Rodney, agus Matti K. Gershenfeld. Groups, Theory and Experience. 2nd ed. Houghton Mifflin, 1981.

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