Παραπομπή σε μορφή APA (7η εκδ.)

The Sphere Project. (2000). Humanitarian charter and minimum standards in disaster response. Sphere Project ; Distributed by Oxfam Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

The Sphere Project. Humanitarian Charter and Minimum Standards in Disaster Response. Geneva : Oxford: Sphere Project ; Distributed by Oxfam Publishing, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

The Sphere Project. Humanitarian Charter and Minimum Standards in Disaster Response. Sphere Project ; Distributed by Oxfam Publishing, 2000.