Farmer, R. E. (1999). Macroeconomics. South-Western.
芝加哥风格引文Farmer, Roger E.A. Macroeconomics. Cincinnati: South-Western, 1999.
MLA引文Farmer, Roger E.A. Macroeconomics. South-Western, 1999.
警告：这些引文格式不一定是100％准确.
APA引文
Farmer, R. E. (1999). Macroeconomics. South-Western.
芝加哥风格引文Farmer, Roger E.A. Macroeconomics. Cincinnati: South-Western, 1999.
MLA引文Farmer, Roger E.A. Macroeconomics. South-Western, 1999.