APA引文

Frank, R. H. (2004). Principles of macroeconomics. Boston: McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

Frank, Robert H. Principles of Macroeconomics. Boston: McGraw-Hill/Irwin, 2004.

MLA引文

Frank, Robert H. Principles of Macroeconomics. Boston: McGraw-Hill/Irwin, 2004.

警告：這些引文格式不一定是100％准確.