Henderson, P., & Thomas, D. N. (1980). Skills in neighbourhood work. London: George Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Henderson, Paul, agus David N. Thomas. Skills in Neighbourhood Work. London: George Allen & Unwin, 1980.
Lua MLA (8ú heag.)Henderson, Paul, agus David N. Thomas. Skills in Neighbourhood Work. London: George Allen & Unwin, 1980.
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