Parameter from referring site Analysis

How to start analysis	[Analyze]-[Reference Analysis]-[Parameter at referring site]
Description	Display parameters from referring sits and counts. Example: param1=A and param2=B in below are parameters at referring site. http://www.searchengine.com?param1=A&param2=B

Description for each access log format

Witness access log	Applicable
NCSA common access log	Applicable, if %{Referer}i exists
W3C extended access log	Applicable, if cs(Referer) exists
IIS access log	N/A