8.SI.1.1

How do I know that the websites I used are reliable? I know that the websites I used are reliable because they end with (.Org .Gov .Mill .Edu), meaing they are non-profit organizations,government, or school webstites. Works Cited "Martin Luther King - Biography." //Nobelprize.org//. Web. 14 Feb. 2012. . "The Nobel Peace Prize 1964." //Nobelprize.org//. Web. 14 Feb. 2012. . "Nobel Peace Prize Winners - the Full List | World News | Guardian.co.uk." //Latest US and World News, Sport and Comment from the Guardian | Guardiannews.com | The Guardian//. Web. 13 Feb. 2012. .