@misc{Walczak_Małgorzata_A,
 author={Walczak, Małgorzata and Tomczak, Maciej},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 copyright={Cornetis},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 publisher={Cornetis},
 language={eng},
 type={artykuł},
 title={A multi-faceted assessment of sports motivation in relation to training effectiveness in progressive recreational skiers},
 keywords={psychology, motivation, skiing, effectiveness},
}