Gill, R. T. (1978). Economics: A text with readings. Goodyear.
Chicagoスタイル(17版)引用形式Gill, Richard T. Economics: A Text with Readings. Santa Monica.: Goodyear, 1978.
MLA(9版)引用形式Gill, Richard T. Economics: A Text with Readings. Goodyear, 1978.
警告: この引用は必ずしも正確ではありません.