Barkley, P. W. (1977). Economics: The way we choose. Harcourt Brace Jovanovich.
Chicagoスタイル(17版)引用形式Barkley, Paul W. Economics: The Way We Choose. New York: Harcourt Brace Jovanovich, 1977.
MLA(9版)引用形式Barkley, Paul W. Economics: The Way We Choose. Harcourt Brace Jovanovich, 1977.
警告: この引用は必ずしも正確ではありません.