"Libri", 41.4 (1991): 217-311. Retrieved 18 May. 2013, from http://www.degruyter.com/view/j/libr.1991.41.issue-4/issue-files/libr.1991.41.issue-4.xml

Libri (1991), 41(4), pp. 217-311. Retrieved 18 May. 2013, from http://www.degruyter.com/view/j/libr.1991.41.issue-4/issue-files/libr.1991.41.issue-4.xml

Libri. 1991. 41(4): 217-311. Retrieved 18 May. 2013, from http://www.degruyter.com/view/j/libr.1991.41.issue-4/issue-files/libr.1991.41.issue-4.xml