Gaya APA

Pertemuan Ilmiah Tahunan XII (Proceedings of the 12th. Annual Convention of the Indonesian Association of Geologists). (). Yogyakarta, Indonesia: IAGI.

Gaya MLA

Pertemuan Ilmiah Tahunan XII (Proceedings of the 12th. Annual Convention of the Indonesian Association of Geologists). . Yogyakarta, Indonesia: IAGI, . .