Cita APA (7th ed.)

(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.