(1938). № 2; Bulletin of the Kamchatka volcanological station. 1938.
Chicago Style aipamena№ 2; Bulletin of the Kamchatka Volcanological Station. 1938, 1938.
MLA aipamena№ 2; Bulletin of the Kamchatka Volcanological Station. 1938, 1938.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.