Arnold, R. A. (2010). Economics (International ed.). Thomson South-Western.
Chicagoスタイル(17版)引用形式Arnold, Roger A. Economics. International ed. Mason, OH, USA: Thomson South-Western, 2010.
MLA(8版)引用形式Arnold, Roger A. Economics. International ed. Thomson South-Western, 2010.
警告: この引用は必ずしも正確ではありません.