Não informado. (1981). Public Enterprise. International Center for Public Enterprise in Developing Countries.
Chicagoスタイル(17版)引用形式Não informado. Public Enterprise. Belgrade: International Center for Public Enterprise in Developing Countries, 1981.
MLA(8版)引用形式Não informado. Public Enterprise. International Center for Public Enterprise in Developing Countries, 1981.
警告: この引用は必ずしも正確ではありません.