Gaya APA

Neve, G, D. (1983). Earlier Eruptive Activities of Krakatau in Historic Time and During The Quaternary (Agustus 1983). Jakarta: Directorate of Higher Education.

Gaya MLA

Neve, G.A., De. "Earlier Eruptive Activities of Krakatau in Historic Time and During The Quaternary". Agustus 1983 Jakarta: Directorate of Higher Education, 1983. Text.