"Semiotica", 33.1-2 (1981): 1-193. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/semi.1981.33.issue-1-2/issue-files/semi.1981.33.issue-1-2.xml

Semiotica (1981), 33(1-2), pp. 1-193. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/semi.1981.33.issue-1-2/issue-files/semi.1981.33.issue-1-2.xml

Semiotica. 1981. 33(1-2): 1-193. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/semi.1981.33.issue-1-2/issue-files/semi.1981.33.issue-1-2.xml