Kilic, Ö., Johnson, U., Kerkhoffs, G. M. M. J., Rosier, P., & Gouttebarge, V. (2018). Exposure to physical and psychosocial stressors in relation to symptoms of common mental disorders among European professional football referees: A prospective cohort study. BMJ Open Sport Exerc Med.

Kilic, Özgür, Urban Johnson, Gino M M J. Kerkhoffs, Philippe Rosier, و Vincent Gouttebarge. "Exposure to Physical and Psychosocial Stressors in Relation to Symptoms of Common Mental Disorders Among European Professional Football Referees: A Prospective Cohort Study." BMJ Open Sport Exerc Med 2018.

Kilic, Özgür, et al. "Exposure to Physical and Psychosocial Stressors in Relation to Symptoms of Common Mental Disorders Among European Professional Football Referees: A Prospective Cohort Study." BMJ Open Sport Exerc Med 2018.