Gaya APA

(IAGI), I, A, G. (1993). Proceedings 22nd Annual Convention : indonesia association of geologsts (Volume 1). Bandung: IAGI.

Gaya MLA

(IAGI), IKATAN, AHLI, GEOLOGI. "Proceedings 22nd Annual Convention : indonesia association of geologsts". Volume 1 Bandung: IAGI, 1993. Text.