Hualde, G. (2018). What are the limiting factors during an Ultra-Marathon?: A systematic review of the scientific literature. (27. November 2018.). Forschungsergebnis, Pais Vasco: Universidad del Pais Vasco.
APA-Zitierstil (7. Ausg.)Hualde, G. (2018). What are the limiting factors during an Ultra-Marathon?: A systematic review of the scientific literature (27. November 2018.). Universidad del Pais Vasco.
Chicago-Zitierstil (17. Ausg.)Hualde, G. What Are the Limiting Factors During an Ultra-Marathon?: A Systematic Review of the Scientific Literature. 27. November 2018. Pais Vasco: Universidad del Pais Vasco, 2018.
MLA-Zitierstil (9. Ausg.)Hualde, G. What Are the Limiting Factors During an Ultra-Marathon?: A Systematic Review of the Scientific Literature. 27. November 2018. Universidad del Pais Vasco, 2018.