Womack, J. P. (2005). Lean Solutions. Continuum International publication Group.
Cita Chicago (17th ed.)Womack, James P. Lean Solutions. New York: Continuum International publication Group, 2005.
Cita MLA (9th ed.)Womack, James P. Lean Solutions. Continuum International publication Group, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.