Gaya APA

Merapi (Indonesia) Volcanism Contiues at Decreased Intensity ; Alert Reduced from 4 to 2. (). Washington: Smithsonian National Museum of Natural History.

Gaya MLA

Merapi (Indonesia) Volcanism Contiues at Decreased Intensity ; Alert Reduced from 4 to 2. . Washington: Smithsonian National Museum of Natural History, . .