Παραπομπή σε μορφή APA (7η εκδ.)

Charity Organization Society of the City of New York & Welfare Council of New York City. Directory of social agencies of the City of New York. Columbia University Press [etc.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Charity Organization Society of the City of New York και Welfare Council of New York City. Directory of Social Agencies of the City of New York. New York: Columbia University Press [etc.].

Παραπομπή σε μορφή MLA (8th εκδ.)

Charity Organization Society of the City of New York και Welfare Council of New York City. Directory of Social Agencies of the City of New York. Columbia University Press [etc.].