MAY MATTHEW E. (2007). ELEGANT SOLUTION: TOYOTA`S FORMULA FOR MASTERING INNOVATION. SIMON & SCHUSTER.
Cita Chicago (17th ed.)MAY MATTHEW E. ELEGANT SOLUTION: TOYOTA`S FORMULA FOR MASTERING INNOVATION. LONDON: SIMON & SCHUSTER, 2007.
Cita MLA (9th ed.)MAY MATTHEW E. ELEGANT SOLUTION: TOYOTA`S FORMULA FOR MASTERING INNOVATION. SIMON & SCHUSTER, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.