APA (7 वां संस्करण) प्रशस्ति पत्र

Villanueva, . Z. (2021). Manila mayor contracts Covid-19. Manila Times.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Villanueva, Zsastee. "Manila Mayor Contracts Covid-19." Manila Times 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Villanueva, Zsastee. "Manila Mayor Contracts Covid-19." Manila Times, 2021.