Haberler, G. (1961). A survey of international trade theory. Princeton University.
Cita Chicago Style (17a ed.)Haberler, Gottfried. A Survey of International Trade Theory. Cambridge: Princeton University, 1961.
Cita MLA (8a ed.)Haberler, Gottfried. A Survey of International Trade Theory. Princeton University, 1961.
Precaución: Estas citas no son 100% exactas.