Gaya APA
Martono, R, V. (2021).
Supply Chain 4.0 : blockchain dan platfrom global value chain .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Martono, Ricky, Virona.
"Supply Chain 4.0 : blockchain dan platfrom global value chain".
Jakarta:
PT Gramedia Pustaka Utama,
2021.
Text.