UNICEF & Bellamy, C. (2001). The state of the world's children 2001: Early childhood. UNICEF.
Cita Chicago Style (17a ed.)UNICEF y Carol Bellamy. The State of the World's Children 2001: Early Childhood. New York: UNICEF, 2001.
Cita MLA (8a ed.)UNICEF y Carol Bellamy. The State of the World's Children 2001: Early Childhood. UNICEF, 2001.
Precaución: Estas citas no son 100% exactas.