Singapore Council of Social Service. (1979). Social service directory ([2d ed.].). Singapore Council of Social Service.
Chicagoスタイル(17版)引用形式Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore: Singapore Council of Social Service, 1979.
MLA(8版)引用形式Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore Council of Social Service, 1979.
警告: この引用は必ずしも正確ではありません.