Não informado. (1976). Health and Social Work. National Association of Social Workers.
Chicagoスタイル(17版)引用形式Não informado. Health and Social Work. Washington: National Association of Social Workers, 1976.
MLA(8版)引用形式Não informado. Health and Social Work. National Association of Social Workers, 1976.
警告: この引用は必ずしも正確ではありません.