Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. National Tax Research Center. (1973). A paper on Philippine perspectives on taxation of natural resource-based industries. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. National Tax Research Center. A Paper on Philippine Perspectives on Taxation of Natural Resource-based Industries. Manila: [s.n.], 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. National Tax Research Center. A Paper on Philippine Perspectives on Taxation of Natural Resource-based Industries. [s.n.], 1973.