For formation, I often begin by following websites for resources. Some times, I decide to purchase an e-book and, most times, the sites I visit offer a selection with links to amazon and what appears to be an identifier of the referal.
The issue that I have is that I am from Spain, so when chosing the Kindle version I am asked to search for it in www.amazon.es.
I understand that it does not really affect what Amazon offers to me, but since I appreciate those websites AND I am using their choice of books, I would like to see that they get their referal/advertising fees... which would be the best option for that? Adding to the URL of amazon.es the referal ID of the original post? or do I have some other option?
I continued googling and found a page that tells that the change of product do not afect the referal information. Still, I do not know if that info is lost when I swith to one of Amazon's national sites.