2007年10月3日閲覧。 . ^ Peter Reinhart (2010-10-27). American Pie: My Search for the Perfect Pizza. Ten Speed Press. ISBN 9781607740902. https://books.google
シカゴ風ピザ
all deep-dish pizza in Chicago”. The Detroit News. http://www.detroitnews.com/story/life/food/2014/09/19/chicago-pizza-tour-slice-pie-deepdish/15907921/