Παραπομπή σε μορφή APA (7η εκδ.)

Velasco, M. M. Policy makers weigh future of gas as energy resource. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Velasco, Myrna M. "Policy Makers Weigh Future of Gas as Energy Resource." Manila Bulletin .

Παραπομπή σε μορφή MLA (9th εκδ.)

Velasco, Myrna M. "Policy Makers Weigh Future of Gas as Energy Resource." Manila Bulletin, .