Παραπομπή σε μορφή APA (7η εκδ.)

Development Bank of the Philippines, Tacloban. Regional Development Staff. (1971). An area survey of Leyte and Samar. [s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. Tacloban: [s.n, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Development Bank of the Philippines, Tacloban. Regional Development Staff. An Area Survey of Leyte and Samar. [s.n, 1971.