Peterson, W. C. (1973). Elements of economics. Norton.
芝加哥风格引文Peterson, Wallace C. Elements of Economics. New York: Norton, 1973.
MLA引文Peterson, Wallace C. Elements of Economics. Norton, 1973.
警告：这些引文格式不一定是100％准确.
APA引文
Peterson, W. C. (1973). Elements of economics. Norton.
芝加哥风格引文Peterson, Wallace C. Elements of Economics. New York: Norton, 1973.
MLA引文Peterson, Wallace C. Elements of Economics. Norton, 1973.