DOLEŽALOVÁ, Hana - PÍCHA, K. - NAVRÁTIL, J. Analysis of the organic food marketing - chain store companies (South Bohemia). In Agricultural economics. - Prague : Institute of Agricultural and Food Information, 2009. ISSN 0139-570X, 2009, vol. 55, no. 9, s. 446-458. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/10700.pdf>