Development Bank of the Philippines, Tacloban. Regional Development Staff. (1971). An area survey of Leyte and Samar. [s.n.
Chicago-referens (17:e uppl.)Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. Tacloban: [s.n, 1971.
MLA-referens (9:e uppl.)Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. [s.n, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.