(2020). Economics (20th ed.). McGrae Hill Education.
Chicagoスタイル(17版)引用形式Economics. 20th ed. New York: McGrae Hill Education, 2020.
MLA(9版)引用形式Economics. 20th ed. McGrae Hill Education, 2020.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式