APA (7 वां संस्करण) प्रशस्ति पत्र

Torregoza, H. L., & Drilon, F. M. (2021). Drilon: Did pharmally Corp. pay its taxes? Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Torregoza, Hannah L., और Franklin M. Drilon. "Drilon: Did Pharmally Corp. Pay Its Taxes?" Manila Bulletin 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Torregoza, Hannah L., और Franklin M. Drilon. "Drilon: Did Pharmally Corp. Pay Its Taxes?" Manila Bulletin, 2021.