Healthy oceans - Earth Sciences bibliographies - in Harvard style

In-text: (Campaign, 2015)

Your Bibliography: Oceana. 2015. Campaign. [online] Available at: <http://oceana.org/our-campaigns/save_oceans_feed_world/campaign> [Accessed 15 March 2015].

In-text: (Rogers, 2012)

Your Bibliography: Rogers, S., 2012. 10 Ocean Conservation Groups Making a Difference. [online] EcoSalon. Available at: <http://ecosalon.com/10-ocean-conservation-groups-making-a-difference/> [Accessed 19 March 2015].

In-text: (How You Can Help the Ocean, 2015)

Your Bibliography: Smithsonian Ocean Portal. 2015. How You Can Help the Ocean. [online] Available at: <http://ocean.si.edu/ocean-news/how-you-can-help-ocean> [Accessed 15 March 2015].

In-text: (Society, 2015)

Your Bibliography: Society, N., 2015. Marine Pollution -- National Geographic. [online] National Geographic. Available at: <http://ocean.nationalgeographic.com/ocean/critical-issues-marine-pollution/> [Accessed 17 March 2015].

In-text: (Society, 2015)

Your Bibliography: Society, N., 2015. 10 Things You Can Do to Save the Ocean -- National Geographic. [online] National Geographic. Available at: <http://ocean.nationalgeographic.com/ocean/take-action/10-things-you-can-do-to-save-the-ocean/> [Accessed 12 March 2015].

In-text: (Protecting the Health of the Ocean: A Worldwide Challenge, 2015)

Your Bibliography: U.S. Department of State. 2015. Protecting the Health of the Ocean: A Worldwide Challenge. [online] Available at: <http://www.state.gov/r/pa/pl/227807.htm> [Accessed 9 March 2015].