Gemmill, P. F. (1949). Fundamentals of economics (5th ed.). Harper.
Chicagoスタイル(17版)引用形式Gemmill, Paul F. Fundamentals of Economics. 5th ed. New York: Harper, 1949.
MLA(9版)引用形式Gemmill, Paul F. Fundamentals of Economics. 5th ed. Harper, 1949.
警告: この引用は必ずしも正確ではありません.