APA ציטוט

Goadsby, P., & Boes, C. (2002). CHRONIC DAILY HEADACHE. BMJ Group.

Citação norma Chicago

Goadsby, P., and C. Boes. CHRONIC DAILY HEADACHE. BMJ Group, 2002.

ציטוט MLA

Goadsby, P., and C. Boes. CHRONIC DAILY HEADACHE. BMJ Group, 2002.