REJNUŠ, Oldřich. The present significance of commodity exchange trading in the conditions of the current world economy. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2006. ISSN 0139-570X, 2006, vol. 52, no. 11, s. 497-502. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/58068.pdf>