Answered By: Elaine Pocklington
Last Updated: Jan 02, 2018     Views: 71

Most of the answers to your questions can be found on the University Library guide to Harvard referencing. You need to try and find the author for the powerpoint presentation, but if this proves to be impossible, then follow the instructions on the referencing guide - there is a section entitled "no author" under the heading "Citing references in text". There are instructions on how to reference a PDF document listed under the "Using books, journals and ebooks" heading.  If you cannot find the place of publication and publisher please ask a member of staff in the Library to help you or there is a section in the referencing guide at the end entitled 'References with Missing Details'.
http://libanswers.anglia.ac.uk/faq/78666
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