Clark, J. M. (1948). Alternative to serfdom. Oxford: Basil Blackwell.
Trích dẫn kiểu ChicagoClark, John Maurice. Alternative to Serfdom. Oxford: Basil Blackwell, 1948.
MLA引文Clark, John Maurice. Alternative to Serfdom. Oxford: Basil Blackwell, 1948.
警告：这些引文格式不一定是100％准确.