Gemmill, P. F. (1943). Fundamentals of economics (Fourth edition.). Harper.
Chicagoスタイル(17版)引用形式Gemmill, Paul F. Fundamentals of Economics. Fourth edition. New York: Harper, 1943.
MLA(9版)引用形式Gemmill, Paul F. Fundamentals of Economics. Fourth edition. Harper, 1943.
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