Παραπομπή σε μορφή APA (7η εκδ.)

Philippines National Statistics Office. (2003). 2003 Commodity flow in the Philippines. National Statistics Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines National Statistics Office. 2003 Commodity Flow in the Philippines. Manila: National Statistics Office, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines National Statistics Office. 2003 Commodity Flow in the Philippines. National Statistics Office, 2003.