Garcia, L. R. (2003). Buy on-line advocacy campaign. IN Business focus [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGarcia, Leonardo R. "Buy On-line Advocacy Campaign. IN Business Focus [column]." Manila Bulletin 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGarcia, Leonardo R. "Buy On-line Advocacy Campaign. IN Business Focus [column]." Manila Bulletin, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.