Krugman, P. R. The conscience of a liberal.
Trích dẫn kiểu ChicagoKrugman, Paul R. The Conscience of a Liberal.
MLA引文Krugman, Paul R. The Conscience of a Liberal.
警告：这些引文格式不一定是100％准确.
APA引文
Krugman, P. R. The conscience of a liberal.
Trích dẫn kiểu ChicagoKrugman, Paul R. The Conscience of a Liberal.
MLA引文Krugman, Paul R. The Conscience of a Liberal.