Gaya APA
Indonesia, I, A, G. (2014).
Handbook the 43rd IAGI convention & exhibition .
Jakarta:
Ikatan Ahli Geologi Indonesia (IAGI).
Gaya MLA
Indonesia, Ikatan, Ahli, Geologi.
"Handbook the 43rd IAGI convention & exhibition".
Jakarta:
Ikatan Ahli Geologi Indonesia (IAGI),
2014.
Textbook.