Welker, B. (2013). The Wrestling drillbook (2nd ed.). Human Kinetics.
Čikaški stil citiranja (17. izdanje)Welker, Bill. The Wrestling Drillbook. 2nd ed. Champaign, Ill: Human Kinetics, 2013.
MLA način citiranja (9. izdanje)Welker, Bill. The Wrestling Drillbook. 2nd ed. Human Kinetics, 2013.
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