APA-referens (7:e uppl.)
BARR, N. (1992). ECONOMIC THEORY AND THE WELFARE STATE: A SURVEY AND REINTERPRETATION. DISCUSSION PAPER WSP / 54. WELFARE STATE PROGRAMME, THE.
Chicago-referens (17:e uppl.)
BARR, N. ECONOMIC THEORY AND THE WELFARE STATE: A SURVEY AND REINTERPRETATION. DISCUSSION PAPER WSP / 54. Londres: WELFARE STATE PROGRAMME, THE, 1992.
MLA-referens (9:e uppl.)
BARR, N. ECONOMIC THEORY AND THE WELFARE STATE: A SURVEY AND REINTERPRETATION. DISCUSSION PAPER WSP / 54. WELFARE STATE PROGRAMME, THE, 1992.
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