Gaya APA

Pertemuan Ilmiah Tahunan XI (Proceedings of the 11thn. Annual Convetion of the Indonesian Association of Geologists). (). Jakarta, Indonesia: IAGI.

Gaya MLA

Pertemuan Ilmiah Tahunan XI (Proceedings of the 11thn. Annual Convetion of the Indonesian Association of Geologists). . Jakarta, Indonesia: IAGI, . .