Kristoffersen, E. S., & Lundqvist, C. (2014). Medication-overuse headache: Epidemiology, diagnosis and treatment. SAGE Publications.
Chicago Style aipamenaKristoffersen, Espen Saxhaug, and Christofer Lundqvist. Medication-overuse Headache: Epidemiology, Diagnosis and Treatment. SAGE Publications, 2014.
MLA aipamenaKristoffersen, Espen Saxhaug, and Christofer Lundqvist. Medication-overuse Headache: Epidemiology, Diagnosis and Treatment. SAGE Publications, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.