Yang, X. (1997). A multidisciplinary analysis of physical activity, sport participation and dropping out among young Finns: A 12-year follow-up study.
Chicago-viite (17. p.)Yang, Xiaolin. A Multidisciplinary Analysis of Physical Activity, Sport Participation and Dropping Out Among Young Finns: A 12-year Follow-up Study. Jyväskylä, 1997.
MLA-viite (9. p.)Yang, Xiaolin. A Multidisciplinary Analysis of Physical Activity, Sport Participation and Dropping Out Among Young Finns: A 12-year Follow-up Study. 1997.
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