Keren, C. (1982). A national library information service system in Barbados. International Development research Centre.
Chicago-viite (17. p.)Keren, Carl. A National Library Information Service System in Barbados. Canada: International Development research Centre, 1982.
MLA-viite (9. p.)Keren, Carl. A National Library Information Service System in Barbados. International Development research Centre, 1982.
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