APA-viite (7. p.)

Heckmann, P., tiedekunta, L., Sciences, F. o. S. a. H., Sciences, S. a. H., terveystieteet, L. j., Jyväskylä, U. o., & yliopisto, J. (2017). Historical development of sport in Germany in the 20th century: The formation of physical culture.

Chicago-viite (17. p.)

Heckmann, Philip, Liikuntatieteellinen tiedekunta, Faculty of Sport and Health Sciences, Sport and Health Sciences, Liikunta- ja terveystieteet, University of Jyväskylä, ja Jyväskylän yliopisto. Historical Development of Sport in Germany in the 20th Century: The Formation of Physical Culture. 2017.

MLA-viite (9. p.)

Heckmann, Philip, et al. Historical Development of Sport in Germany in the 20th Century: The Formation of Physical Culture. 2017.