Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. Economic and Social Statistics Office & Philippines. National Statistical Coordination Board. (1998). Gross regional domestic expenditure. National Statistical Coordination Board (NSCB).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. Economic and Social Statistics Office και Philippines. National Statistical Coordination Board. Gross Regional Domestic Expenditure. Makati City: National Statistical Coordination Board (NSCB), 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. Economic and Social Statistics Office και Philippines. National Statistical Coordination Board. Gross Regional Domestic Expenditure. National Statistical Coordination Board (NSCB), 1998.