Gaya APA
Regional Conference on the Geology and Mineral Recources of Southeast Asia Jakarta 4 - 7 August 1975. ().
Jakarta, Indonesia:
Ikatan Ahli Goelogi Indonesia.
Gaya MLA
Regional Conference on the Geology and Mineral Recources of Southeast Asia Jakarta 4 - 7 August 1975.
.
Jakarta, Indonesia:
Ikatan Ahli Goelogi Indonesia,
.
.