Napoli, L. (2016). Ray & Joan: The man who made the McDonald's fortune and the woman who gave it all away. Dutton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNapoli, Lisa. Ray & Joan: The Man Who Made the McDonald's Fortune and the Woman Who Gave It All Away. New York, New York: Dutton, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNapoli, Lisa. Ray & Joan: The Man Who Made the McDonald's Fortune and the Woman Who Gave It All Away. Dutton, 2016.
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