Gundling, B. (1988). Creative synchronized swimming. Human Kinetics.
Lua i Stíl Chicago (17ú heag.)Gundling, Beulah. Creative Synchronized Swimming. Champaign, Ill: Human Kinetics, 1988.
Lua MLA (9ú heag.)Gundling, Beulah. Creative Synchronized Swimming. Human Kinetics, 1988.
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