Gaya APA
Savitri, Astrid. (2019).
Revolusi Industri 4.0 .
yogyakarta:
Genesis..
Gaya Chicago
Savitri, Astrid.
Revolusi Industri 4.0.
yogyakarta:
Genesis.,
2019.
Text.
Gaya MLA
Savitri, Astrid.
Revolusi Industri 4.0.
yogyakarta:
Genesis.,
2019.
Text.
Gaya Turabian
Savitri, Astrid.
Revolusi Industri 4.0.
yogyakarta:
Genesis.,
2019.
Print.