Gaya APA
Kusumadinata, K. (1973).
Danger Precautions Against Volcanic Eruption in Indonesia (Mey 1973).
Bandung:
Dinas Vulkanologi.
Gaya MLA
Kusumadinata, Kama.
"Danger Precautions Against Volcanic Eruption in Indonesia".
Mey 1973
Bandung:
Dinas Vulkanologi,
1973.
Text.