Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. (1971). National report of the Republic of the Philippines for the 1972 United Nations Conference on Human Environment. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. National Report of the Republic of the Philippines for the 1972 United Nations Conference on Human Environment. Manila: [s.n.], 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. National Report of the Republic of the Philippines for the 1972 United Nations Conference on Human Environment. [s.n.], 1971.