Citazione Stile APA (7a Edizione)

Sharp, I. (2012). Four Seasons: The story of a business philosophy. Portfolio/Penguin.

Citazione stile Chigago Style (17a edizione)

Sharp, Isadore. Four Seasons: The Story of a Business Philosophy. New York: Portfolio/Penguin, 2012.

Citatione MLA (9a ed.)

Sharp, Isadore. Four Seasons: The Story of a Business Philosophy. Portfolio/Penguin, 2012.