|a b c Stephen Turnbull 2003||"Big Burger Business: McDonald's and Burger King"|
|Bob's Big Boy of Burbank menu, Enero 2007• Nueva York: The Newcomen Society||The chicken burger was good|
a b c Andrew F.
|Obesity Review 4 4 : pp||Hamburger for America and the World: a handbook of the transworld hamburger culture|
|Can you believe some dispute us? The meat here are fresh but they are using local beef||Nueva york: Bantam; Rev Sub edition|
Gordon PhD y Cassius T.6