Romero, P. (2019). Incumbent senators rally behind Sotto. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRomero, Paolo. "Incumbent Senators Rally Behind Sotto." Philippine Star 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRomero, Paolo. "Incumbent Senators Rally Behind Sotto." Philippine Star, 2019.
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