Gaya APA

Frank, R, H., Bernanke, B, S. (2007). Principles of Economics : Robert H Frank, Ben S Bernanke (Ed.3). New York: Mc Graw Hill.

Gaya MLA

Frank, Robert, H., Bernanke, Ben, S.. "Principles of Economics : Robert H Frank, Ben S Bernanke". Ed.3 New York: Mc Graw Hill, 2007. Buku.