APA (7 वां संस्करण) प्रशस्ति पत्र

Crisostomo, I. T. (2001). Writing books is hard but rewarding. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star, 2001.