ASA Reference Style
A quick guide on the ASA Citation Guide prepared by Mr. Tan Han Yong from HSS Libary.
http://www3.ntu.edu.sg/hss2/sociology/Student_Resources/ASA_Style_Guide/ASA_Style_Guide.pdf

Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats
Open Microsoft Office Word 2007 .docx or .docm files with Microsoft Office Word 2003, Word 2002, or Word 2000.
http://office.microsoft.com/en-us/word/HA100444731033.aspx

Primo PDF
Convert your documents into .pdf format with this free tool.
You may also use their online tool, so you don't even have to download anything.
PrimoPDF

Internet Archive (Wayback Machine)
Dig up the contents of websites from way back in 1996.