Παραπομπή σε μορφή APA (7η εκδ.)

Orig, T. S. (1999). Photovoltaic (PV) technology can stop people from migrating to congested cities. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Orig, Thor S. "Photovoltaic (PV) Technology Can Stop People from Migrating to Congested Cities." Manila Bulletin 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Orig, Thor S. "Photovoltaic (PV) Technology Can Stop People from Migrating to Congested Cities." Manila Bulletin, 1999.