توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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.