Sources Sources need to specifically discuss the subject When you use books you need to include the page number s Exactly what does Charu C Aggarwal 2011 Social Network Data Analytics say about social network poisoning What exactly does it say about considerable impact in terms of knowledge and correlation of data I need page numbers and quotes Please note that you can t interpret a source you may need to read WP NOR and WP VERIFY You probably aren t used to policies and guidelines here And you need to read WP AGF as your edit summary looks insulting