UNICEF & Bellamy, C. (2001). The state of the world's children 2001: Early childhood. UNICEF.
Citazione stile Chigago Style (17a edizione)UNICEF e Carol Bellamy. The State of the World's Children 2001: Early Childhood. New York: UNICEF, 2001.
Citatione MLA (8a ed.)UNICEF e Carol Bellamy. The State of the World's Children 2001: Early Childhood. UNICEF, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.