Johnson, T. (2012). Spark & hustle: Launch and grow your small business now. Berkley Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Tory. Spark & Hustle: Launch and Grow Your Small Business Now. New York, N.Y.: Berkley Books, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Tory. Spark & Hustle: Launch and Grow Your Small Business Now. Berkley Books, 2012.
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