Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.