Não informado. (1969). Development and Change. Institute of Social Studies.
Chicagoスタイル(17版)引用形式Não informado. Development and Change. Oxford, Inglaterra: Institute of Social Studies, 1969.
MLA(8版)引用形式Não informado. Development and Change. Institute of Social Studies, 1969.
警告: この引用は必ずしも正確ではありません.