Powell, T. J. (1994). Understanding the self-help organization: Frameworks and findings. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Powell, Thomas J. Understanding the Self-help Organization: Frameworks and Findings. Thousand Oaks, Calif.: Sage Publications, 1994.
Lua MLA (8ú heag.)Powell, Thomas J. Understanding the Self-help Organization: Frameworks and Findings. Sage Publications, 1994.
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