"Batur General Information". Global Volcanism Program, National Museum of Natural History. Smithsonian Institution. Diarsipkan dari versi asli tanggal 2019-07-05. Diakses tanggal January 16, 2016.
"Batur General Information". Global Volcanism Program, National Museum of Natural History. Smithsonian Institution. Diarsipkan dari versi asli tanggal 2019-07-05. Diakses tanggal January 16, 2016.