Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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