Cita APA (7th ed.)
Friedlnder, W. A., & Apte, R. Z. (1980). Introduction to social welfare (5th ed.). Prentice-Hall Inc..
Cita Chicago (17th ed.)
Friedlnder, Walter A., i Robert Z. Apte. Introduction to Social Welfare. 5th ed. New Jersey: Prentice-Hall Inc., 1980.
Cita MLA (9th ed.)
Friedlnder, Walter A., i Robert Z. Apte. Introduction to Social Welfare. 5th ed. Prentice-Hall Inc., 1980.
Atenció: Aquestes cites poden no estar 100% correctes.