Page is a not externally linkable
tim222 - 6:42 pm on Jul 14, 2011 (gmt 0)
AdSense Help on this subject:
[google.com...]
"... if you choose to place non-Google ads on the same site or page as Google ads, it should always be clear to the user that the ads are served by different advertising networks and that the non-Google ads have no association with Google."