Prus, P., and B. Mickiewicz. “Comparative Analysis of Support Instruments of CAP in Frames of Long-Term Financial Perspective 2014-2020 in the Relationship to CAP 2007-2014”. Journal of Agribusiness and Rural Development, Vol. 34, no. 4, Dec. 2014, pp. 111-25, http://www1.up.poznan.pl/jard/index.php/jard/article/view/468.