At the end of your work, under the heading References, write a full description of each source you have cited, listing them in alphabetical order by the author's last name.
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References
Benge, R. D. (1970). Libraries and cultural change. London: Bingley.
Brandon, V. K. (2001). Information seeking tactics. Search Strategy Journal, 9(3): 1-18.
Liberman, K., Rich, J. L. & Stewart, T. T. W. (2000). The foundations of a virtual library. Online Training, 5(1): 1-10. Available from: http://kweb.loc.gov/catdir/pcc
Line, M .B. (2007). The role of national libraries: A reassessment. Libri, 30(1): 1-16.
Line, M. B. (2008a). Access to resources: The international dimension. Library Resources and Technical Services, 30(1): 4-12.
Line, M. B. ( 2008b). The role of national libraries in UAP. In National libraries: 111-124. Edited by Lawson, P. A.
Pretoria: University of Pretoria.
Vickers, C. J. (1982). The fundamentals of UAP. IFLA Journal, 8(1): 42-49.