@misc{Contreras_Loera_Marcela_Rebeca_Service,
 author={Contreras Loera Marcela Rebeca and Perez Sanchez Beatriz and Echeagaray Diana Guadalupe Flores},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={Service quality and worker training in 5-star hotel},
 keywords={management, Service quality, training, zarządzanie, jakość usług, szkolenia},
}