"International African Bibliography (IAB)", 20.4 (1990): 209-318. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/iabi.1990.20.issue-4/issue-files/iabi.1990.20.issue-4.xml

International African Bibliography (IAB) (1990), 20(4), pp. 209-318. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/iabi.1990.20.issue-4/issue-files/iabi.1990.20.issue-4.xml

International African Bibliography (IAB). 1990. 20(4): 209-318. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/iabi.1990.20.issue-4/issue-files/iabi.1990.20.issue-4.xml