Gaya APA
Yanagi, T.
().
Unzen Volcano: The 1990 - 1992 Eruption
.
Japan:
The Nishinippon & Kyushu University Press..
Gaya MLA
Yanagi, T..
"Unzen Volcano: The 1990 - 1992 Eruption".
Japan:
The Nishinippon & Kyushu University Press.,
.
Text.