De Sena, J., & Durant, J. (2016). Spartan fit!: 30 days. Transform your mind. Transform your body. Commit to grit. Houghton Mifflin Harcourt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Sena, Joe, और John Durant. Spartan Fit!: 30 Days. Transform Your Mind. Transform Your Body. Commit to Grit. New York: Houghton Mifflin Harcourt, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe Sena, Joe, और John Durant. Spartan Fit!: 30 Days. Transform Your Mind. Transform Your Body. Commit to Grit. Houghton Mifflin Harcourt, 2016.
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