Casella, A. (1997). Anonymous market and group ties in international trade. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Casella, Alessandra. Anonymous Market and Group Ties in International Trade. Cambridge, Mass: National Bureau of Economic Research, 1997.
Citatione MLA (9a ed.)Casella, Alessandra. Anonymous Market and Group Ties in International Trade. National Bureau of Economic Research, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.