Παραπομπή σε μορφή APA (7η εκδ.)

Davis, D. R., & Weinstein, D. E. (1998). market access, economic geography and comparative advantage: An empirical assessment. National Bureau of Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Davis, Donald R., και David E. Weinstein. Market Access, Economic Geography and Comparative Advantage: An Empirical Assessment. Cambridge: National Bureau of Economic Research, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Davis, Donald R., και David E. Weinstein. Market Access, Economic Geography and Comparative Advantage: An Empirical Assessment. National Bureau of Economic Research, 1998.