Citing the source is not helpful to those who created the content you stole. In fact it amounts to stealing their content and their traffic too.
Why the heck would anyone click the link and read the whole darn thing on the original sites if they just read it on the splog (spam you created? This very bad stuff you are into and it can have terrible consequences for you. Read the wordpress.com ToS and get with the program please before your blog is reported and deleted.