Can you build a refferal link to Amazon's affiliate program?

[Sootah]

I've got a buddy using AdSense on a site he really should have Amazon on. Can I make a refferal link so that I get a small chunk of commision off his stuff as well?

[Sootah]

is that correct -> http://www.amazon.com/gp/browse.html/ref=tweaksforgeeks-20/103-4895270-1017460/?node=3435371