DiFillippo, S. (2013). It's all about the guest: Exceeding expectations in business and in life, the Davio's way. Lyons Press.
Chicago-Zitierstil (17. Ausg.)DiFillippo, Steve. It's All About the Guest: Exceeding Expectations in Business and in Life, the Davio's Way. Guilford, Connecticut: Lyons Press, 2013.
MLA-Zitierstil (8. Ausg.)DiFillippo, Steve. It's All About the Guest: Exceeding Expectations in Business and in Life, the Davio's Way. Lyons Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.