↑ "List of Provinces". PSGC Interactive. Makati City, Philippines: National Statistical Coordination Board. สืบค้นเมื่อ 1 April 2014.
↑ "Philippine Provincial Profile; Surigao del Sur". OoCities.org. สืบค้นเมื่อ 28 April 2016.
↑ Lancion, Jr., Conrado M.; cartography by de Guzman, Rey (1995). "The Provinces; Surigao del Sur". Fast Facts about Philippine Provinces (The 2000 Millenium ed.). Makati, Metro Manila, Philippines: Tahanan Books. p. 156. ISBN 971-630-037-9. สืบค้นเมื่อ 28 April 2016.
↑ Crismundo, Mike (22 September 2015). "Caraga tourist arrivals to reach 2M by end of 2015". Manila Bulletin. สืบค้นเมื่อ 18 April 2016. Frequently visited by this huge volume of tourists are the famous “Cloud 9” and amazing beach resorts and islets in Siargao Island, the Sohoton Cove in Bucas Grande Island in Socorro town, the game fishing hub in Pilar, all in Siargao Island in Surigao del Norte, the Enchanted River in Hinatuan, Surigao del Sur, the Tinuy-an Falls in Bislig City and Balanghai in Butuan City.
↑ Alcantara, Jojie (11 February 2005). "Tinuy-an Falls: Our little Niagara". Sun.Star Davao. Archived from the original on 28 April 2005. สืบค้นเมื่อ 18 April 2016. Tinuy-an is a three-tiered falls (there is a fourth but cannot be seen from view) about 55 meters high and a breathtaking width of 95 meters, supposedly the widest in the country.
↑ "Weather forecast for Surigao del Sur, Philippines". Storm247.com. StormGeo AS, Nordre Nøstekaien 1, N-5011 Bergen, Norway: StormGeo AS. สืบค้นเมื่อ 29 April 2016.
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