United Nations Population Fund. (2007). State of world population 2007: Unleashing the Potential of Urban Growth [Recurso electrónico]. UNFPA.
Chicagoスタイル(17版)引用形式United Nations Population Fund. State of World Population 2007: Unleashing the Potential of Urban Growth [Recurso Electrónico]. New York, U.S.A [Estados Unidos]: UNFPA, 2007.
MLA(9版)引用形式United Nations Population Fund. State of World Population 2007: Unleashing the Potential of Urban Growth [Recurso Electrónico]. UNFPA, 2007.
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