Cita APA

Helpman, E. 1. (1980). International trade in the presence of product differentiation, economies of scale, and monopolistic competition: A chamberlin-heckscher-ohlin approach. Sweden: Institute for International Economic Studies.

Citación estilo Chicago

Helpman, Elhanan 1943-. International Trade in the Presence of Product Differentiation, Economies of Scale, and Monopolistic Competition: A Chamberlin-heckscher-ohlin Approach. Sweden: Institute for International Economic Studies, 1980.

Cita MLA

Helpman, Elhanan 1943-. International Trade in the Presence of Product Differentiation, Economies of Scale, and Monopolistic Competition: A Chamberlin-heckscher-ohlin Approach. Sweden: Institute for International Economic Studies, 1980.