Francois, J., Hoekman, B., & Manchin, M. (2005). Preference erosion and multilateral liberalization. World Bank.
Lua i Stíl Chicago (17ú heag.)Francois, Joseph, Bernard Hoekman, agus Miriam Manchin. Preference Erosion and Multilateral Liberalization. Washington, D.C: World Bank, 2005.
Lua MLA (9ú heag.)Francois, Joseph, et al. Preference Erosion and Multilateral Liberalization. World Bank, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.