Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (2011). Atlas of headache disorders and resources in the world 2011. World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. Atlas of Headache Disorders and Resources in the World 2011. Geneva, Switzerland: World Health Organization, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Health Organization. Atlas of Headache Disorders and Resources in the World 2011. World Health Organization, 2011.