APA-viite (7. p.)

Hämäläinen, U., tiedekunta, L., Sciences, F. o. S. a. H., laitos, T., Sciences, D. o. H., Jyväskylä, U. o., & yliopisto, J. (2006). Muscle co-activation and ground reaction forces during stair walking in old and young women.

Chicago-viite (17. p.)

Hämäläinen, Ulpu, Liikuntatieteellinen tiedekunta, Faculty of Sport and Health Sciences, Terveystieteiden laitos, Department of Health Sciences, University of Jyväskylä, ja Jyväskylän yliopisto. Muscle Co-activation and Ground Reaction Forces During Stair Walking in Old and Young Women. 2006.

MLA-viite (9. p.)

Hämäläinen, Ulpu, et al. Muscle Co-activation and Ground Reaction Forces During Stair Walking in Old and Young Women. 2006.