Can anyone give me a list of Australian book publishers?
Or a link to a website with a list of Australian book publishers?

Please try the following links. They may be of use to you.

APA Home (http://www.publishers.asn.au/)

HarperCollins Publishers Australia | Home (http://www.harpercollins.com.au/)

Australian Book Web : Your complete Australian book site. Books bookshops booksellers publishers authors reading publishing literature writing... eveything bookish is here! (http://ausbookweb.com.au/index.shtml)

Australian Book Publishers for Self Publishers; Seaview Press Australia (http://www.seaviewpress.com.au/)

The Book Doctor welcomes you (http://www.bookdoctor.com.au/)