"Lebende Sprachen", 9.4-5 (1964): 97-160. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/les.1964.9.issue-4-5/issue-files/les.1964.9.issue-4-5.xml

Lebende Sprachen (1964), 9(4-5), pp. 97-160. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/les.1964.9.issue-4-5/issue-files/les.1964.9.issue-4-5.xml

Lebende Sprachen. 1964. 9(4-5): 97-160. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/les.1964.9.issue-4-5/issue-files/les.1964.9.issue-4-5.xml