APA引文

Puga, D., & Venables, A. (2011). Agglomeration and Economic Development: Import Substitution vs. Trade Liberalisation.

Chicago Style (17th ed.) Citation

Puga, D., and A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.

MLA引文

Puga, D., and A. Venables. Agglomeration and Economic Development: Import Substitution Vs. Trade Liberalisation. 2011.

警告：這些引文格式不一定是100％准確.