8Bill, J.A., and R. L. Hardgrave, Jr. Comparative Politics The Quest for Theory. Columbus, Ohio:Charles E. Merrill. Especially PP.21-40 Dealing with the scientific method.
9Stephen Quinn and Vincent F. Filak, Deitors(2005) Convergent Journalism:An lntroduction,(p.5),Elsevier Inc.
10Andrew Nachison ( 2001 ) Good business or good journalism? Lessons from the bleeding edge, A presentation to the World Editors ' Forum, Hong Kong, June5, 2001