Dyfyniad APA

Charity Organization Society of the City of New York. The New York charities directory. Charity Organization Society in the City of New York.

Dyfyniad Arddull Chicago

Charity Organization Society of the City of New York. The New York Charities Directory. New York: Charity Organization Society in the City of New York.

Dyfyniad MLA

Charity Organization Society of the City of New York. The New York Charities Directory. Charity Organization Society in the City of New York.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.