@misc{Enäjärvi-Haavio_Elsa_The,
 author={Enäjärvi-Haavio, Elsa},
 howpublished={online},
 publisher={Suomalainen Tiedeakatemia},
 language={eng},
 type={dokument piśmienniczy},
 title={The game of rich and poor : a comparative study in traditional singing games},
 keywords={gry edukacyjne},
}