APA

National Association of Social Workers, . (1974). Handbook on the private practice of social work. Washington: National Association of Social Workers.

Chicago

National Association of Social Workers, . 1974. Handbook on the private practice of social work. Washington: National Association of Social Workers.

Harvard

National Association of Social Workers, . (1974). Handbook on the private practice of social work. Washington: National Association of Social Workers.

MLA

National Association of Social Workers, . Handbook on the private practice of social work. Washington: National Association of Social Workers. 1974.