Fletcher, J. (1984). Information sources in economics (2nd ed.). Butterworths.
Chicagoスタイル(17版)引用形式Fletcher, John. Information Sources in Economics. 2nd ed. London ; Boston: Butterworths, 1984.
MLA(9版)引用形式Fletcher, John. Information Sources in Economics. 2nd ed. Butterworths, 1984.
警告: この引用は必ずしも正確ではありません.