Dyfyniad APA

Vernacchia, R. A., Cook, D. L., & McGuire, R. I. (1992). Coaching mental excellence: It does matter whether you win or lose. Brown & Benchmark.

Dyfyniad Arddull Chicago

Vernacchia, Ralph A., David Lamar Cook, and Richard I. McGuire. Coaching Mental Excellence: It Does Matter Whether You Win or Lose. Dubuque, Iowa: Brown & Benchmark, 1992.

Dyfyniad MLA

Vernacchia, Ralph A., et al. Coaching Mental Excellence: It Does Matter Whether You Win or Lose. Brown & Benchmark, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.