New bibliography - Earth Sciences bibliographies - in Harvard style

In-text: (The eruption of Krakatoa, August 27, 1883, 2015)

Your Bibliography: Bom.gov.au. 2015. The eruption of Krakatoa, August 27, 1883. [online] Available at: <http://www.bom.gov.au/tsunami/history/1883.shtml> [Accessed 22 March 2015].

In-text: (Krakatoa Volcano: Facts About 1883 Eruption, 2015)

Your Bibliography: LiveScience.com. 2015. Krakatoa Volcano: Facts About 1883 Eruption. [online] Available at: <http://www.livescience.com/28186-krakatoa.html> [Accessed 22 March 2015].

In-text: (Krakatoa Volcano Disaster, 2015)

Your Bibliography: YouTube. 2015. Krakatoa Volcano Disaster. [online] Available at: <https://www.youtube.com/watch?v=sBwsR9I4hgI> [Accessed 22 March 2015].

In-text: (Krakatoa Volcano in Indonesia Documentary, 2015)

Your Bibliography: YouTube. 2015. Krakatoa Volcano in Indonesia Documentary. [online] Available at: <https://www.youtube.com/watch?v=crlGbGbWKvo> [Accessed 22 March 2015].