Não informado. (1969). Journal of Economic Literature. American Economic Association.
Chicagoスタイル(17版)引用形式Não informado. Journal of Economic Literature. Nashville, Tenn: American Economic Association, 1969.
MLA(8版)引用形式Não informado. Journal of Economic Literature. American Economic Association, 1969.
警告: この引用は必ずしも正確ではありません.