JOHNSON, H. T. (1992). Relevance Regained From Top Down Control To Bottom-up Empowerment H. Thomas Johnson. the Free Press.
Lua i Stíl Chicago (17ú heag.)JOHNSON, H. Thomas. Relevance Regained From Top Down Control To Bottom-up Empowerment H. Thomas Johnson. the Free Press, 1992.
Lua MLA (8ú heag.)JOHNSON, H. Thomas. Relevance Regained From Top Down Control To Bottom-up Empowerment H. Thomas Johnson. the Free Press, 1992.
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