• A report should be neutral and factual.
• The style should be simple, neat, professional and straightforward
• In English the passive is used to provide an impersonal effect
• Do not write very long sentences
• Alternate longer and shorter sentences
• Information is backed by means of charts, graphics and tables
• Critical and analytical thinking are a must
• Take note of all your sources
• Provide references accurately

The Hong-Kong Polytechnic University:  http://www2.elc.polyu.edu.hk/cill/reports.htm

Birmingham City University: http://library.bcu.ac.uk/learner/writingguides/1.02%20Reports.htm

University of Wollongong:  http://unilearning.uow.edu.au/report/1j.html