Barkley, P. W. (1977). Economics: The way we choose. Harcourt Brace Jovanovich.
芝加哥风格引文Barkley, Paul W. Economics: The Way We Choose. New York: Harcourt Brace Jovanovich, 1977.
MLA引文Barkley, Paul W. Economics: The Way We Choose. Harcourt Brace Jovanovich, 1977.
警告：这些引文格式不一定是100％准确.