Normally we will have the reference with author. But if we want to add reference with number to mac 2011 word. Follow the instruction to add Citation styles to mac. And IEEE has the numbered format reference.
- Unzip the Styles.zip file that you downloaded
- Close Word if it's open
- Open Applications
- Navigate into the Microsoft Office folder
- Right click on the file Word.app or just Word if you have the file extensions hidden, click 'Show Package Contents'
- There should now be a folder called Contents, open the folder.
- Then open Resources
- Then open Styles
- Copy the Styles you want into this folder. I.e. HarvardAnglia
- Launch the Word application and the styles you copied in should be available.
- Finally edit the xsl file to get updated by word(Edit in sense delete some line and update it)
To get the Citation styles files follow the link,
http://bibword.codeplex.com/wikipage?title=Styles
Enjoy :) ...