Puga, D., & Venables, A. (2011). Agglomeration and Economic Development: Import Substitution vs. Trade Liberalisation.
Chicago Style (17. basım) AtıfPuga, D., ve A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.
MLA (9th ed.) AtıfPuga, D., ve A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..