Παραπομπή σε μορφή APA (7η εκδ.)

Garcia, L. R. (2003). Buy on-line advocacy campaign. IN Business focus [column]. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Garcia, Leonardo R. "Buy On-line Advocacy Campaign. IN Business Focus [column]." Manila Bulletin 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Garcia, Leonardo R. "Buy On-line Advocacy Campaign. IN Business Focus [column]." Manila Bulletin, 2003.