Mitchell, F. (2013). Chicago Cubs: Where have you gone? : Ernie Banks, Andy Pafko, Ferguson Jenkins, and other Cubs greats. Sports Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMitchell, Fred. Chicago Cubs: Where Have You Gone? : Ernie Banks, Andy Pafko, Ferguson Jenkins, and Other Cubs Greats. New York: Sports Publishing, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMitchell, Fred. Chicago Cubs: Where Have You Gone? : Ernie Banks, Andy Pafko, Ferguson Jenkins, and Other Cubs Greats. Sports Publishing, 2013.
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