Sastavljeno u Bruxellesu 11. veljače 2019.
A. Bouet, C. Estrades, a D. Laborde, Differential Export Taxes along the Oilseeds Value Chain: A Partial Equilibrium Analysis (Rozdielne vývozné dane v hodnotovom reťazci olejnín: analýza čiastočnej rovnováhy), American Journal of Agricultural Economics, 2014, strana 924, https://academic.oup.com/ajae/article/96/3/924/2737494.