Gaya APA

Sumarti, S. (1998). Volcanogenic Pollutants in Hyperacid River Water Disharged From Ijen Crater Lake, East Java, Indonesia . Bandung, Jawa Barat, Indonesia: Volcanological Survey of Indonesia.

Gaya MLA

Sumarti, Sri. "Volcanogenic Pollutants in Hyperacid River Water Disharged From Ijen Crater Lake, East Java, Indonesia". Bandung, Jawa Barat, Indonesia: Volcanological Survey of Indonesia, 1998. Text.