Vernacchia, R. A., Cook, D. L., & McGuire, R. I. (1992). Coaching mental excellence: It does matter whether you win or lose. Brown & Benchmark.
Cita Chicago (17th ed.)Vernacchia, Ralph A., David Lamar Cook, i Richard I. McGuire. Coaching Mental Excellence: It Does Matter Whether You Win or Lose. Dubuque, Iowa: Brown & Benchmark, 1992.
Cita MLA (9th ed.)Vernacchia, Ralph A., et al. Coaching Mental Excellence: It Does Matter Whether You Win or Lose. Brown & Benchmark, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.