Ruiz, D. M. (2011). The four agreements: A practical guide to personal freedom.
Cita Chicago Style (17a ed.)Ruiz, Don Miguel. The Four Agreements: A Practical Guide to Personal Freedom. 2011.
Cita MLA (8a ed.)Ruiz, Don Miguel. The Four Agreements: A Practical Guide to Personal Freedom. 2011.
Precaución: Estas citas no son 100% exactas.