Gaya APA

Suwarna, N. et al (2024). Oil shale potential as an alternative energi source in selected sites of Sumatra Island . Bandung: Geological Agency.

Gaya MLA

Suwarna, Nana. et al. "Oil shale potential as an alternative energi source in selected sites of Sumatra Island". Bandung: Geological Agency, 2024. Text.