Gaya APA

Wahyudin, D. (1991). Volcanology and Petrology of MT.Semeru Volcanic Complex,East Java - Indonesia . Wellington, N.Z.: Victoria University of Wellington.

Gaya MLA

Wahyudin, Deden. "Volcanology and Petrology of MT.Semeru Volcanic Complex,East Java - Indonesia". Wellington, N.Z.: Victoria University of Wellington, 1991. Text.