SKIDMORE, R. A. (1993). Introduction To Social Work Rex A. Skidmore, Milton G. Thackeray, O.william Farley. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)SKIDMORE, Rex Austin. Introduction To Social Work Rex A. Skidmore, Milton G. Thackeray, O.william Farley. Prentice-Hall, 1993.
Lua MLA (8ú heag.)SKIDMORE, Rex Austin. Introduction To Social Work Rex A. Skidmore, Milton G. Thackeray, O.william Farley. Prentice-Hall, 1993.
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