Παραπομπή APA

Apte, R. Z., & Friedlander, W. A. (1982). Introduction to social welfare (Ed.5.).

Παραπομπή Chicago Style

Apte, Robert Z., και Walter A. Friedlander. Introduction to Social Welfare. Ed.5. New Delhi, Prentice-Hall, 1982.

Παραπομπή MLA

Apte, Robert Z., και Walter A. Friedlander. Introduction to Social Welfare. Ed.5. 1982.