-. (2006). Technical program guide international interdisciplinary conference volcano international gathering 2. UPN Veteran Yogyakarta.
Chicago Style (17th ed.) Citation-. Technical Program Guide International Interdisciplinary Conference Volcano International Gathering 2. UPN Veteran Yogyakarta, 2006.
MLA (8th ed.) Citation-. Technical Program Guide International Interdisciplinary Conference Volcano International Gathering 2. UPN Veteran Yogyakarta, 2006.
Warning: These citations may not always be 100% accurate.