PETRICK, Martin in WEINGARTEN, Peter (ur.), 2004, The role of agriculture in Central and Eastern European rural development [na spletu]. Znanstvena monografija. Halle : Institute of Agricultural Development in Central and Eastern Europe (IAMO). [Dostopano 5 april 2025]. ISBN 3-9809270-4-0. Pridobljeno s: http://www.iamo.de/dok/sr_vol25.pdf