APA (7e ed.) Bronvermelding

DiFillippo, S. (2013). It's all about the guest: Exceeding expectations in business and in life, the Davio's way. Lyons Press.

Chicago (17e ed.) Bronvermelding

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 (8e ed.) Bronvermelding

DiFillippo, Steve. It's All About the Guest: Exceeding Expectations in Business and in Life, the Davio's Way. Lyons Press, 2013.