Gaya APA

Hadikusumo, D. (1975). The Eruptive Activities and Associated Phenomena Of Mt. Merapi (C - Java) During 1975 . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Hadikusumo, D.. "The Eruptive Activities and Associated Phenomena Of Mt. Merapi (C - Java) During 1975". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1975. Text.