Hudd, E. (2021). The economic impact of COVID-19. Core Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHudd, Emily. The Economic Impact of COVID-19. Minneapolis, Minnesota: Core Library, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHudd, Emily. The Economic Impact of COVID-19. Core Library, 2021.
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