Nagy, Erika. “Doloreux, D., Freel, M. and Shearmur, R. Eds: Knowledge-Intensive Business Services. Geography and Innovation”. Hungarian Geographical Bulletin 61, no. 3 (October 5, 2012): 257-259. Accessed May 15, 2024. https://ojs.mtak.hu/index.php/hungeobull/article/view/3008.