Meier, G. M. (1973). Problems of trade policy. Oxford: Oxford University.
Trích dẫn kiểu ChicagoMeier, Gerald M. Problems of Trade Policy. Oxford: Oxford University, 1973.
MLA引文Meier, Gerald M. Problems of Trade Policy. Oxford: Oxford University, 1973.
警告：这些引文格式不一定是100％准确.