Holiday, R. (2022). Discipline is destiny: The power of self-control (Unabridged.). Penguin Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoliday, Ryan. Discipline Is Destiny: The Power of Self-control. Unabridged. New York: Penguin Audio, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoliday, Ryan. Discipline Is Destiny: The Power of Self-control. Unabridged. Penguin Audio, 2022.
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