APA-referens

(2010). Eco2 cities: Ecological cities as economic cities. Washington, D.C: World Bank.

Chicago-stil citat

Eco2 Cities: Ecological Cities As Economic Cities. Washington, D.C: World Bank, 2010.

MLA-referens

Eco2 Cities: Ecological Cities As Economic Cities. Washington, D.C: World Bank, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.