United Nations Human Settlements Programme. Global report on human settlements 2013: United Nations Human Settlements Programme (UN-Habitat). c2013.
Cita Chicago (17th ed.)United Nations Human Settlements Programme. Global Report on Human Settlements 2013: United Nations Human Settlements Programme (UN-Habitat). Routledge: c2013.
Cita MLA (9th ed.)United Nations Human Settlements Programme. Global Report on Human Settlements 2013: United Nations Human Settlements Programme (UN-Habitat). c2013.
Atenció: Aquestes cites poden no estar 100% correctes.