APA (7 वां संस्करण) प्रशस्ति पत्र
Hornmoen, H., & Backholm, K. (2018). Social media use in crisis and risk communication: Emergencies, concerns and awareness. Emerald Publishing Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hornmoen, Harald, और Klas Backholm. Social Media Use in Crisis and Risk Communication: Emergencies, Concerns and Awareness. Bingley, U.K.: Emerald Publishing Limited, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hornmoen, Harald, और Klas Backholm. Social Media Use in Crisis and Risk Communication: Emergencies, Concerns and Awareness. Emerald Publishing Limited, 2018.
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