TABOR, Urszula. Earl Babbie: Badania społeczne w praktyce. Warszawa, PWN 2004. Chowanna, [S. l.], v. 2, n. 25, p. 196–199, 2005. DOI: 10.31261/CHOWANNA.2005.25.19. Disponível em: https://journals.us.edu.pl/index.php/CHOWANNA/article/view/18881. Acesso em: 4 luty. 2026.