APA (7 वां संस्करण) प्रशस्ति पत्र

(2000). PAL declares P44-M annual profit - its first in 7 years. Philippine Graphic.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"PAL Declares P44-M Annual Profit - Its First in 7 Years." Philippine Graphic 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"PAL Declares P44-M Annual Profit - Its First in 7 Years." Philippine Graphic, 2000.