Sheldon, T. (2003). Boxing should be banned unless rules are tightened, advises Dutch body. BMJ Publishing Group Ltd.
Chicago-tyylinen lähdeviittausSheldon, Tony. Boxing Should Be Banned Unless Rules Are Tightened, Advises Dutch Body. BMJ Publishing Group Ltd, 2003.
MLA-viiteSheldon, Tony. Boxing Should Be Banned Unless Rules Are Tightened, Advises Dutch Body. BMJ Publishing Group Ltd, 2003.
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