Pfefferbaum, R. (1987). Economics: Study guide (2nd ed.). Houghton Mifflin.
Chicagoスタイル(17版)引用形式Pfefferbaum, Rose. Economics: Study Guide. 2nd ed. Boston: Houghton Mifflin, 1987.
MLA(9版)引用形式Pfefferbaum, Rose. Economics: Study Guide. 2nd ed. Houghton Mifflin, 1987.
警告: この引用は必ずしも正確ではありません.