Bee, C. F., & Norton, K. (1959). The science of coaching (2d ed.). Ronald Press.
Lua i Stíl Chicago (17ú heag.)Bee, Clair Francis, agus Ken Norton. The Science of Coaching. 2d ed. New York: Ronald Press, 1959.
Lua MLA (9ú heag.)Bee, Clair Francis, agus Ken Norton. The Science of Coaching. 2d ed. Ronald Press, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.