Althen, G., & Bennett, J. (2011). American ways: A cultural guide to the United States (3rd ed.). Intercultural Press.
Lua i Stíl Chicago (17ú heag.)Althen, Gary, agus Janet Bennett. American Ways: A Cultural Guide to the United States. 3rd ed. Boston: Intercultural Press, 2011.
Lua MLA (9ú heag.)Althen, Gary, agus Janet Bennett. American Ways: A Cultural Guide to the United States. 3rd ed. Intercultural Press, 2011.
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