7[2]Australian Subject Gateways Forum overview.[2006-10-24].http://www.nla.gov.au/initiatives/sg/index.html
8[3]Debbie Campbell.A National Framework for the Development of Australian Subject Gateways.[2006-10-24].http://www.nla.gov.au/initiatives/sg/paperl999-07.html
9[4]Best Practice Checklist for Australian Subject Gateways.[2006-10-24].http://www.nla.gov.au/initiatives/sg/frameworks.html