Gaya APA

Bulletin of the East Indian Volcanological Survey for the Year 1941 (Bulletins Nrs. 95-98). (). : Pert. Tjahaja.

Gaya MLA

Bulletin of the East Indian Volcanological Survey for the Year 1941 (Bulletins Nrs. 95-98). . : Pert. Tjahaja, . .