The Sphere Project & McConnan, I. (2000). Humanitarian charter and minimum standards in disaster response. Sphere Project.
Citazione stile Chigago Style (17a edizione)The Sphere Project e Isobel McConnan. Humanitarian Charter and Minimum Standards in Disaster Response. Geneva: Sphere Project, 2000.
Citatione MLA (9a ed.)The Sphere Project e Isobel McConnan. Humanitarian Charter and Minimum Standards in Disaster Response. Sphere Project, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.