Gracie, R. (2025). Warrior mindset: The tao of a Champion (First U.S. edition.). St. Martin's Press.
Cita Chicago Style (17a ed.)Gracie, Roger. Warrior Mindset: The Tao of a Champion. First U.S. edition. New York: St. Martin's Press, 2025.
Cita MLA (8a ed.)Gracie, Roger. Warrior Mindset: The Tao of a Champion. First U.S. edition. St. Martin's Press, 2025.
Precaución: Estas citas no son 100% exactas.