APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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