Cita APA (7th ed.)
Walker, R. (2005). Social security and welfare: Concepts and comparisons. Open University Press.
Cita Chicago (17th ed.)
Walker, Robert. Social Security and Welfare: Concepts and Comparisons. Maidenhead: Open University Press, 2005.
Cita MLA (9th ed.)
Walker, Robert. Social Security and Welfare: Concepts and Comparisons. Open University Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.