O'Sullivan, A., & Sheffrin, S. M. (2003). Economics principles and tools (Third edition.). Prentice Hall.
Chicago Style (17th ed.) CitationO'Sullivan, Arthur, and Steven M. Sheffrin. Economics Principles and Tools. Third edition. New Jersey: Prentice Hall, 2003.
MLA (9th ed.) CitationO'Sullivan, Arthur, and Steven M. Sheffrin. Economics Principles and Tools. Third edition. Prentice Hall, 2003.
Warning: These citations may not always be 100% accurate.