Lua APA (7ú heag.)
(2021). Labor et Educatio. Institute of Social Affairs of the Pedagogical University of Cracow.
Lua i Stíl Chicago (17ú heag.)
Labor Et Educatio. Institute of Social Affairs of the Pedagogical University of Cracow, 2021.
Lua MLA (9ú heag.)
Labor Et Educatio. Institute of Social Affairs of the Pedagogical University of Cracow, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.