Παραπομπή σε μορφή APA (7η εκδ.)

(2002). Stamp honors Opus Dei founder on his centenary. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

"Stamp Honors Opus Dei Founder on His Centenary." Manila Bulletin 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

"Stamp Honors Opus Dei Founder on His Centenary." Manila Bulletin, 2002.