Wilkins, R. H. (1994). The quality-empowered business. Prentice Hall.
Cita Chicago (17th ed.)Wilkins, Robert H. The Quality-empowered Business. Englewood Cliffs, N.J: Prentice Hall, 1994.
Cita MLA (9th ed.)Wilkins, Robert H. The Quality-empowered Business. Prentice Hall, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.