Petrzela, N. M. (2022). Fit nation: The gains and pains of America's exercise obsession. The University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetrzela, Natalia Mehlman. Fit Nation: The Gains and Pains of America's Exercise Obsession. Chicago, IL: The University of Chicago Press, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetrzela, Natalia Mehlman. Fit Nation: The Gains and Pains of America's Exercise Obsession. The University of Chicago Press, 2022.
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