Swope, R., & Howell, W. S. (2012). Trading by numbers: Scoring strategies for every market. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSwope, Rick, और W. Shawn Howell. Trading by Numbers: Scoring Strategies for Every Market. Hoboken, N.J.: Wiley, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSwope, Rick, और W. Shawn Howell. Trading by Numbers: Scoring Strategies for Every Market. Wiley, 2012.
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