World Health Organization. (2011). Manual for the laboratory diagnosis and virological surveillance of influenza. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Manual for the Laboratory Diagnosis and Virological Surveillance of Influenza. Geneva, Switzerland: World Health Organization, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Manual for the Laboratory Diagnosis and Virological Surveillance of Influenza. World Health Organization, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.