Cita APA (7th ed.)

Swope, R., & Howell, W. S. (2012). Trading by numbers: Scoring strategies for every market. Wiley.

Cita Chicago (17th ed.)

Swope, Rick, i W. Shawn Howell. Trading by Numbers: Scoring Strategies for Every Market. Hoboken, N.J.: Wiley, 2012.

Cita MLA (9th ed.)

Swope, Rick, i W. Shawn Howell. Trading by Numbers: Scoring Strategies for Every Market. Wiley, 2012.