There are also authoritative sources of legislation on the free web
Austlii has specific sections for state/territory resources (see the menu on the left of the homepage).
The following are links to official government portals for state/territory legislation-
Our print collection of Australian legislation (both federal & state) is historic only - most series ending the early 2000s. There are some bound collections of acts on Level 1. More is kept off site.
Should you wish to consult a printed volume which is Offsite, you can order them online via the Hold & Request sytem on SOLO.
Please ask a member of staff for assistance.