@misc{Klukowski_Stanley_A._Esperanto_1950,
 author={Klukowski, Stanley A.},
 copyright={© Copyright by Katolicki Uniwersytet Lubelski Jana Pawła II},
 address={Milwaukee},
 howpublished={online},
 year={1950},
 publisher={Interlanguage Foundation, Inc},
 language={ang ; esp},
 title={Esperanto for Americans: A Comprehensive, Concise Text Book of the International Language.},
 keywords={Esperanto (język sztuczny) czasopisma},
}