Cita APA (7th ed.)
O'Connor, D. E., & Faille, C. C. (2000). Basic economic principles: A guide for students. Greenwood Press.
Cita Chicago (17th ed.)
O'Connor, David E., i Christopher C. Faille. Basic Economic Principles: A Guide for Students. Westport, Conn.: Greenwood Press, 2000.
Cita MLA (9th ed.)
O'Connor, David E., i Christopher C. Faille. Basic Economic Principles: A Guide for Students. Greenwood Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.