Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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