Frank, R. H. (2004). Principles of microeconomics. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoFrank, Robert H. Principles of Microeconomics. Boston: McGraw-Hill, 2004.
MLA引文Frank, Robert H. Principles of Microeconomics. Boston: McGraw-Hill, 2004.
警告：這些引文格式不一定是100％准確.