ANDERSON, William P. Economic geography [electronic resource]. Abingdon, Oxon ; New York : Routledge, 2012. 1 online resource (xvi, 383 p.). Available on Internet: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=475420> ISBN 9780203114988.