Παραπομπή σε μορφή APA (7η εκδ.)

Philippine Office of the President National Statistical Coordination Board. (2002). 2002 Philippine central product classification. The National Statistical Information Center.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippine Office of the President National Statistical Coordination Board. 2002 Philippine Central Product Classification. Makati: The National Statistical Information Center, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippine Office of the President National Statistical Coordination Board. 2002 Philippine Central Product Classification. The National Statistical Information Center, 2002.