Traetta, J., Traetta, M. J., Gow, B., Carter, D., & Knudsen, A. (1979). Gymnastics basics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Traetta, John, Mary Jean Traetta, Bill Gow, Don Carter, agus Arvid Knudsen. Gymnastics Basics. Englewood Cliffs, N.J: Prentice-Hall, 1979.
Lua MLA (9ú heag.)Traetta, John, et al. Gymnastics Basics. Prentice-Hall, 1979.
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