Zald, M. (1965). Social welfare institutions: A sociological reader. Wiley.
Lua i Stíl Chicago (17ú heag.)Zald, Mayer. Social Welfare Institutions: A Sociological Reader. New York: Wiley, 1965.
Lua MLA (9ú heag.)Zald, Mayer. Social Welfare Institutions: A Sociological Reader. Wiley, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.