CHANDLER, N. Subcultures: fragmentation in Higher education. In International Scientific Days 2010 : Global Economy: Challenges and Perspectives, 11th International Conference, May 26-28, 2010, Nitra, proceedings of reviewed articles of international scietific conference. Nitra : Slovak University of Agriculture, 2010. ISBN 978-80-552-0385-0. , s. 1536-1567. Dostupné na internete:<http://www.slpk.sk/eldo/2010/zborniky/015-10/s4/chandler.pdf>