APA (7 वां संस्करण) प्रशस्ति पत्र

Regalado, E. (2018). Davao City visitor arrivals breach 2M in 2017. IN Travel & Tourism [column]. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Regalado, Edith. "Davao City Visitor Arrivals Breach 2M in 2017. IN Travel & Tourism [column]." Philippine Star 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Regalado, Edith. "Davao City Visitor Arrivals Breach 2M in 2017. IN Travel & Tourism [column]." Philippine Star, 2018.