Gaya APA

Wirakusumah, A, D. (1994). The Fifth Field Workshop on Volcanic Gases in Indonesian Volkanoes July 18-29, 1994 : Technical Report and Processidings . Bandung: Commission on the Chemistry of Volcanic Gases.

Gaya MLA

Wirakusumah, A, Djumarna. "The Fifth Field Workshop on Volcanic Gases in Indonesian Volkanoes July 18-29, 1994 : Technical Report and Processidings". Bandung: Commission on the Chemistry of Volcanic Gases, 1994. Text.