Schwebel, D. C., Jones, H. N., Holder, E., & Marciani, F. (2010). Lifeguards: A Forgotten Aspect of Drowning Prevention. Kermanshah University of Medical Sciences.
Styl ChicagoSchwebel, David C., Heather N. Jones, Erika Holder, a Francesca Marciani. Lifeguards: A Forgotten Aspect of Drowning Prevention. Kermanshah University of Medical Sciences, 2010.
Citace podle MLASchwebel, David C., Heather N. Jones, Erika Holder, a Francesca Marciani. Lifeguards: A Forgotten Aspect of Drowning Prevention. Kermanshah University of Medical Sciences, 2010.
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