Frank, R. H. (2001). Principles of economics. McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoFrank, Robert H. Principles of Economics. McGraw-Hill/Irwin, 2001.
MLA引文Frank, Robert H. Principles of Economics. McGraw-Hill/Irwin, 2001.
警告:這些引文格式不一定是100%准確.
Frank, R. H. (2001). Principles of economics. McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoFrank, Robert H. Principles of Economics. McGraw-Hill/Irwin, 2001.
MLA引文Frank, Robert H. Principles of Economics. McGraw-Hill/Irwin, 2001.