Kouwenaar, A. (1988). A Basic Needs Policy Model. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Kouwenaar, A. A Basic Needs Policy Model. ELSEVIER, 1988.
Lua MLA (8ú heag.)Kouwenaar, A. A Basic Needs Policy Model. ELSEVIER, 1988.
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