RYBSZLEGER, P. Annely Rothkegel. Technik - Kommunikation. UVK Verlagsgesellschaft mbH: Konstanz 2010, 284 S. Glottodidactica, [S. l.], v. 38, p. 119–120, 2011. DOI: 10.14746/gl.2011.38.15. Disponível em: https://pressto.amu.edu.pl/index.php/gl/article/view/4364. Acesso em: 1 cze. 2023.