Hansen, M. V., & Perkins, T. (2019). Cracking the millionaire code: Your key to enlightened wealth (Unabridged.). Ascent Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, Mark Victor, और Tom Perkins. Cracking the Millionaire Code: Your Key to Enlightened Wealth. Unabridged. Rego Park: Ascent Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHansen, Mark Victor, और Tom Perkins. Cracking the Millionaire Code: Your Key to Enlightened Wealth. Unabridged. Ascent Audio, 2019.
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