Não informado. (1999). Social work research. National Association of Social Workers.
Chicagoスタイル(17版)引用形式Não informado. Social Work Research. Washington: National Association of Social Workers, 1999.
MLA(8版)引用形式Não informado. Social Work Research. National Association of Social Workers, 1999.
警告: この引用は必ずしも正確ではありません.