Pittam, J. (1994). Voice in social interaction: An interdisciplinary approach. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Pittam, Jeffery. Voice in Social Interaction: An Interdisciplinary Approach. Thousand Oaks, Calif: Sage Publications, 1994.
Lua MLA (9ú heag.)Pittam, Jeffery. Voice in Social Interaction: An Interdisciplinary Approach. Sage Publications, 1994.
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