Cita APA (7th ed.)

Choe, K., & Roberts, B. H. (2011). Competitive cities in the 21st century: Cluster-based local economic development. Asian Development Bank.

Cita Chicago (17th ed.)

Choe, K., i Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Manila, Philippines: Asian Development Bank, 2011.

Cita MLA (9th ed.)

Choe, K., i Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Asian Development Bank, 2011.