Citazione Stile APA (7a Edizione)

(1999). Sustainable cities: Environmental challenges in the 21st century. Asian Development Bank, Office of Environment and Social Development, Environment Division.

Citazione stile Chigago Style (17a edizione)

Sustainable Cities: Environmental Challenges in the 21st Century. Manila: Asian Development Bank, Office of Environment and Social Development, Environment Division, 1999.

Citatione MLA (9a ed.)

Sustainable Cities: Environmental Challenges in the 21st Century. Asian Development Bank, Office of Environment and Social Development, Environment Division, 1999.