Working Group on Philippines-Indonesia Border Communication (1977 : Quezon City). Report of the Working Group on Philippines-Indonesia border communications, Quezon City, Philippines, 26-30 July 1977.
Παραπομπή σε μορφή Chicago (17η εκδ.)Working Group on Philippines-Indonesia Border Communication (1977 : Quezon City). Report of the Working Group on Philippines-Indonesia Border Communications, Quezon City, Philippines, 26-30 July 1977.
Παραπομπή σε μορφή MLA (9th εκδ.)Working Group on Philippines-Indonesia Border Communication (1977 : Quezon City). Report of the Working Group on Philippines-Indonesia Border Communications, Quezon City, Philippines, 26-30 July 1977.
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