Donaldson, P. (1998). A question of economics. New York: Penguin Books.
シカゴスタイル引用形Donaldson, Peter. A Question of Economics. New York: Penguin Books, 1998.
MLA引用形式Donaldson, Peter. A Question of Economics. New York: Penguin Books, 1998.
警告: この引用は必ずしも正確ではありません.