LESÁKOVÁ, Dagmar. Adapting the communication to seniors. In 2015 M-SPHERE. International conference. 2015 M-SPHERE : book of papers : the 4th International M-Sphere conference for multidisciplinarity in science and business : Dubrovnik, 22nd-24th October 2015. - Zagreb : Accent, 2015. ISBN 978-953-7930-08-0, pp. 212-217 online. Dostupné na : <https://issuu.com/tvranes/docs/2015_m-sphere_book_of_papers/220>