Παραπομπή σε μορφή APA (7η εκδ.)

Baumol, W. J. (1965). Welfare economics and the theory of the: State, with a new introduction Welfare and the state revisited. London School of Economics and Political Science ; G.Bell.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Baumol, William J. Welfare Economics and the Theory of the: State, with a New Introduction Welfare and the State Revisited. London: London School of Economics and Political Science ; G.Bell, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Baumol, William J. Welfare Economics and the Theory of the: State, with a New Introduction Welfare and the State Revisited. London School of Economics and Political Science ; G.Bell, 1965.