(2007). Samar Island natural park management plan, June 2006-May 2016. United Nations Development Programme.
Cita Chicago (17th ed.)Samar Island Natural Park Management Plan, June 2006-May 2016. Quezon City: United Nations Development Programme, 2007.
Cita MLA (9th ed.)Samar Island Natural Park Management Plan, June 2006-May 2016. United Nations Development Programme, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.