Kabiling, G. D. (2021). Palace: Sputnik V vaccines expected to be delivered in May. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKabiling, Genalyn D. "Palace: Sputnik V Vaccines Expected to Be Delivered in May." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKabiling, Genalyn D. "Palace: Sputnik V Vaccines Expected to Be Delivered in May." Manila Bulletin, 2021.
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