Case, K. E. (1994). Principles of economics. New Jersey: Prentice Hall.
Trích dẫn kiểu ChicagoCase, Karl E. Principles of Economics. New Jersey: Prentice Hall, 1994.
MLA引文Case, Karl E. Principles of Economics. New Jersey: Prentice Hall, 1994.
警告：這些引文格式不一定是100％准確.