Gilchrist Alasdair. (2021). Industry 4.0: The industrial internet of things (2nd South Asian ed.). Apress Publications.
Lua i Stíl Chicago (17ú heag.)Gilchrist Alasdair. Industry 4.0: The Industrial Internet of Things. 2nd South Asian ed. Apress Publications, 2021.
Lua MLA (9ú heag.)Gilchrist Alasdair. Industry 4.0: The Industrial Internet of Things. 2nd South Asian ed. Apress Publications, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.