Não informado. (1978). Key to economic science and managerial sciences. Martinus Nijhoff.
Chicagoスタイル(17版)引用形式Não informado. Key to Economic Science and Managerial Sciences. The Hague, Holanda: Martinus Nijhoff, 1978.
MLA(8版)引用形式Não informado. Key to Economic Science and Managerial Sciences. Martinus Nijhoff, 1978.
警告: この引用は必ずしも正確ではありません.