Vandome, N. (2020). Alexa for seniors in easy steps. In Easy Steps.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVandome, Nick. Alexa for Seniors in Easy Steps. Leamington Spa, Warwickshire, United Kingdom: In Easy Steps, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVandome, Nick. Alexa for Seniors in Easy Steps. In Easy Steps, 2020.
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