Standiford, L. (2021). Battle for the big top: P.T. Barnum, James Bailey, John Ringling, and the death-defying saga of the American circus. PublicAffairs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStandiford, Les. Battle for the Big Top: P.T. Barnum, James Bailey, John Ringling, and the Death-defying Saga of the American Circus. New York: PublicAffairs, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStandiford, Les. Battle for the Big Top: P.T. Barnum, James Bailey, John Ringling, and the Death-defying Saga of the American Circus. PublicAffairs, 2021.
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