Baldwin, R. E., & Okubo, T. (2005). Heterogenous firms, agglomeration and economic geography: Spatial selection and sorting. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Baldwin, Richard E., und Toshihiro Okubo. Heterogenous Firms, Agglomeration and Economic Geography: Spatial Selection and Sorting. Cambridge, Mass: National Bureau of Economic Research, 2005.
MLA-Zitierstil (9. Ausg.)Baldwin, Richard E., und Toshihiro Okubo. Heterogenous Firms, Agglomeration and Economic Geography: Spatial Selection and Sorting. National Bureau of Economic Research, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.