Word 2007 | How to insert a reference?

[ThrallsBoys]

Wow. Thank you soooooo much. I was getting stressed at this :P

[impratik]

sexy voice

[mokibona87]

great 

[slymeadow]

omg, I watched so many too long tutorials that didn't have what I wanted. This is what I've been looking for and it's so short and simple explained, thanx a lot!

[asabooo]

Please re title this as Word 2007. Thank you. :)

[OfficeToDo]

@asabooo here you go :)