Peterson, W. L. (1986). Principles of ecconomics. Universal Book Stall.
シカゴスタイル引用形Peterson, Willis L. Principles of Ecconomics. New Delhi: Universal Book Stall, 1986.
MLA引用形式Peterson, Willis L. Principles of Ecconomics. Universal Book Stall, 1986.
警告: この引用は必ずしも正確ではありません.