Gaya APA

R, E, K, K, K, , M, B, M, G, G, , I, P, M. (2017). Health Promotion at School E-BOOK . : Elke Kniesel and Chapters’ Contributors.

Gaya MLA

R, Elke, Knisel,, Konrad, Kleiner,, , Michal, Bronikowski,, Marcela, González, Gross,, , Irena, Parry, Martínková,. "Health Promotion at School E-BOOK". : Elke Kniesel and Chapters’ Contributors, 2017. Text.