Gedney, J. M. (1977). Tumbling and balancing: Basic skills and variations. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Gedney, Judith M. Tumbling and Balancing: Basic Skills and Variations. Englewood Cliffs, N.J: Prentice-Hall, 1977.
MLA način citiranja (9. izdanje)Gedney, Judith M. Tumbling and Balancing: Basic Skills and Variations. Prentice-Hall, 1977.
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