Não informado. (1977). Social work research and abstracts. National Association of Social Workers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Social Work Research and Abstracts. New York: National Association of Social Workers, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Social Work Research and Abstracts. National Association of Social Workers, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.