In 3.0 look at DMG page 184 tables 8-12 and 8-13 note 2 (**). AU doesn't seem to have magic item creation rules so I can't give you a source.Sarellion said:Thanks a lot but I am using 3.0 and AU. But I check in the SRD. Thanks.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.