ZÁBOJ, Marek. Agricultural and food wholesale and retail trade in the intra-community trade. In Agricultural economics. - Prague : Institute of Agricultural and Food Information, 2008. ISSN 0139-570X, 2008, vol. 54, no. 9, s. 419-430. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/02187.pdf>