Popp, Nels. Break point for the USTA: developing a strategic vision for the United States Tennis Association [online]. London: Human Kinetics, Inc., 2013. SAGE Knowledge. Cases
Popp, N. (2013). Break point for the USTA: Developing a strategic vision for the United States Tennis Association. London: Human Kinetics, Inc..
Styl ChicagoPopp, Nels. Break Point for the USTA: Developing a Strategic Vision for the United States Tennis Association. London: Human Kinetics, Inc., 2013.
Citace podle MLAPopp, Nels. Break Point for the USTA: Developing a Strategic Vision for the United States Tennis Association. London: Human Kinetics, Inc., 2013.
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