Davies, M. (1994). The essential social worker: An introduction to professional practice in the 1990s (3rd ed.). Arena.
Lua i Stíl Chicago (17ú heag.)Davies, Martin. The Essential Social Worker: An Introduction to Professional Practice in the 1990s. 3rd ed. Aldershot, Hants, England: Arena, 1994.
Lua MLA (9ú heag.)Davies, Martin. The Essential Social Worker: An Introduction to Professional Practice in the 1990s. 3rd ed. Arena, 1994.
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