Development Bank of the Philippines, Tacloban. Regional Development Staff. (1971). An area survey of Leyte and Samar. [s.n.
Chicagoスタイル(17版)引用形式Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. Tacloban: [s.n, 1971.
MLA(9版)引用形式Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. [s.n, 1971.
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