Forbush, D. R. (1987). Study guide and problems to accompany economics (8ª ed.). Harper and Row.
Chicagoスタイル(17版)引用形式Forbush, Dascomb R. Study Guide and Problems to Accompany Economics. 8ª ed. Harper and Row, 1987.
MLA(9版)引用形式Forbush, Dascomb R. Study Guide and Problems to Accompany Economics. 8ª ed. Harper and Row, 1987.
警告: この引用は必ずしも正確ではありません.