Gaya APA
Buletin pertamina energy institute Vol.7 No.3 Juli - September 2021. (2021).
Jakarta:
PT.Pertamina.
Gaya MLA
Buletin pertamina energy institute Vol.7 No.3 Juli - September 2021.
Vol.7 No.3 Juli - September 2021.
Jakarta:
PT.Pertamina,
2021.
Buletin.