Berry, S., Carvall, M., & Spiller, P. T. (1996). Airline hubs: Costs, markups and the implications of customer heterogeneity. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Berry, Steven, Michael Carvall, e Pablo T. Spiller. Airline Hubs: Costs, Markups and the Implications of Customer Heterogeneity. Cambridge: National Bureau of Economic Research, 1996.
Citatione MLA (9a ed.)Berry, Steven, et al. Airline Hubs: Costs, Markups and the Implications of Customer Heterogeneity. National Bureau of Economic Research, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.