APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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