When you join the
GNAS, you should get a pair of very useful laminated cards which cover the various rounds you're likely to shoot, imperial and metric scoring, etiquette etc. They're very useful and have a permanent place in my box.
Have a look here too...
http://atschool.eduweb.co.uk/splomas.../SPL/files.htm
Lots of information in various formats. You should find what you need.