When utilizing your information, such as citations and then reference this material to lend credibility to you

When utilizing your information, such as citations and then reference this material to lend credibility to your persuasive writing. How does the understanding of validity and sound/unsound contribute or cloud an argument? Why?|||When a source is not reliable, the information from it can be wrong and the site is untrustworthy. You need to find credible sources where noted professionals have written.