United Nations. Dept. of Social Affairs. (1950). Methods of social welfare administration. s.n.
Cita Chicago (17th ed.)United Nations. Dept. of Social Affairs. Methods of Social Welfare Administration. New York: s.n, 1950.
Cita MLA (9th ed.)United Nations. Dept. of Social Affairs. Methods of Social Welfare Administration. s.n, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.