mercedez, what Duke of G said.
if you are going to copy/paste something from another website or copy/type something from a book, magazine, etc. [it's cool to share info from other places], the proper thing to do is list the article or page where it came from. otherwise, it's known as plagiarism.
from
http://dictionary.reference.com/browse/PLAGIARISM
plagiarism
1. an act or instance of using or closely imitating the language and thoughts of another author without authorization and the representation of that author's work as one's own, as by not crediting the original author: It is said that he plagiarized Thoreau's plagiarism of a line written by Montaigne. Synonyms: appropriation, infringement, piracy, counterfeiting; theft, borrowing, cribbing, passing off.