Richard Bandlers. (2008). Make your life great (2.). Harper element.
Cita Chicago (17th ed.)Richard Bandlers. Make Your Life Great. 2. Harper element, 2008.
Cita MLA (9th ed.)Richard Bandlers. Make Your Life Great. 2. Harper element, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.