"Probus", 20.1 (2008): 1-145. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/prbs.2008.20.issue-1/issue-files/prbs.2008.20.issue-1.xml

Probus (2008), 20(1), pp. 1-145. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/prbs.2008.20.issue-1/issue-files/prbs.2008.20.issue-1.xml

Probus. 2008. 20(1): 1-145. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/j/prbs.2008.20.issue-1/issue-files/prbs.2008.20.issue-1.xml