Citazione Stile APA (7a Edizione)

Velasco, M. M. (1999). PNOC petrochen park in Bataan declared as special economic zone. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Velasco, Myrna M. "PNOC Petrochen Park in Bataan Declared as Special Economic Zone." Manila Bulletin 1999.

Citatione MLA (9a ed.)

Velasco, Myrna M. "PNOC Petrochen Park in Bataan Declared as Special Economic Zone." Manila Bulletin, 1999.