ZVONAŘ, Martin, Igor DUVAČ, Martin VAVÁČEK, Ingrid RUŽBARSKÁ,
Jana JUŘÍKOVÁ and Ivan ŠTULAJTER. Some principles of the nutrition of the population and sportsmen and alternative nutrition. Online. In Kazimierz Denek, Aleksandra Kamińska, Piotr Oleśniewicz.
Education of Tomorrow. Education, and other forms of activity of adults. Sosnowiec: Oficyna Wydawnicza "Humanitas". p. 125-135. Education of Tomorrow, 11. ISBN 978-83-64788-28-4