Dalio, R. (2017). Principles. Simon & Schuster.
Cita Chicago (17th ed.)Dalio, Ray. Principles. New York: Simon & Schuster, 2017.
Cita MLA (9th ed.)Dalio, Ray. Principles. Simon & Schuster, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.