APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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