Gilchrist Alasdair. (2021). Industry 4.0: The industrial internet of things (2nd South Asian ed.). Apress Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGilchrist Alasdair. Industry 4.0: The Industrial Internet of Things. 2nd South Asian ed. Apress Publications, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGilchrist Alasdair. Industry 4.0: The Industrial Internet of Things. 2nd South Asian ed. Apress Publications, 2021.
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