Amacher, R. C., Haberler, G., & Willett, T. D. (1979). Challenges to a liberal international economic order. American Enterprise Institute for Public Policy Research.
Citazione stile Chigago Style (17a edizione)Amacher, Ryan C., Gottfried Haberler, e Thomas D. Willett. Challenges to a Liberal International Economic Order. Washington: American Enterprise Institute for Public Policy Research, 1979.
Citatione MLA (9a ed.)Amacher, Ryan C., et al. Challenges to a Liberal International Economic Order. American Enterprise Institute for Public Policy Research, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.