Hughes, I. and Overton, T. (2008) Key aspects of learning and teaching in the experimental sciences. In H. Fry, S. Ketteridge, and S. Marshall Eds. A Handbook for Learning and Teaching in Higher Education. 3rd Ed. London, RoutledgeFalmer.
Good overview with interesting case studies.
Video (available from the CARD office)
Effective Laboratory Demonstrating, Newcastle University
A video guide to demonstrating in the sciences (specifically chemistry) with examples of good practice and common questions.
There is a useful booklet for those beginning demonstrating produced by the University of Flinders in Australia. See http://www.flinders.edu.au/shadomx/apps/fms/fmsdownload.cfm?file_uuid=9C5F8C65-ED4A-14F5-B950-F5848E147D54&siteName=flinders