Gaya APA
Knisel, E. et al (2017).
Health Promotion at School: Pedagogical Aspects and Practical Implications .
Berlin:
De Gruyter Open.
Gaya MLA
Knisel, Elke. et al.
"Health Promotion at School: Pedagogical Aspects and Practical Implications".
Berlin:
De Gruyter Open,
2017.
E-book.