Παραπομπή APA

Walter A Friedlander. (1982). Introduction to social welfare (3.). Prentice hall of India Private limited.

Παραπομπή Chicago Style

Walter A Friedlander. Introduction to Social Welfare. 3. New Delhi: Prentice hall of India Private limited, 1982.

Παραπομπή MLA

Walter A Friedlander. Introduction to Social Welfare. 3. Prentice hall of India Private limited, 1982.