Iphofen, R., & O'Mathúna, D. (2021). Ethical issues in covert, security and surveillance research. Emerald Publishing Limited. https://doi.org/10.1108/S2398-6018202108
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIphofen, Ron, और Dónal O'Mathúna. Ethical Issues in Covert, Security and Surveillance Research. Bingley, U.K.: Emerald Publishing Limited, 2021. https://doi.org/10.1108/S2398-6018202108.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIphofen, Ron, और Dónal O'Mathúna. Ethical Issues in Covert, Security and Surveillance Research. Emerald Publishing Limited, 2021. https://doi.org/10.1108/S2398-6018202108.
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