9Public Libraries and Services Radically Transformed under Christopher Chia[DB/OL].http://www.spring.gov.sg/portal/newsroom/epublications/pd/2001_12/index2.html.
10Public Libraries and Services Radically Transformed under Christopher Chia (Cover Feature Of Productivity Digest,December 2001)[DB/OL].http://www.spring.gov.sg/portal/newsroom/epublications/pd/2001_ 12/index2.html.