Choe, K., & Roberts, B. H. (2011). Competitive cities in the 21st century: Cluster-based local economic development. Asian Development Bank.
Chicago-referens (17:e uppl.)Choe, K., och Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Manila, Philippines: Asian Development Bank, 2011.
MLA-referens (9:e uppl.)Choe, K., och Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Asian Development Bank, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.