Não informado. (1970). Social work today. British Association of Social Workers.
Chicagoスタイル(17版)引用形式Não informado. Social Work Today. London: British Association of Social Workers, 1970.
MLA(8版)引用形式Não informado. Social Work Today. British Association of Social Workers, 1970.
警告: この引用は必ずしも正確ではありません.