Scarth, A. (1994). Volcanoes: An introduction (1st U.S. ed.). Texas A&M University Press.
Chicago-čujuhus (17. p.)Scarth, Alwyn. Volcanoes: An Introduction. 1st U.S. ed. College Station: Texas A&M University Press, 1994.
MLA-čujuhus (9. p.)Scarth, Alwyn. Volcanoes: An Introduction. 1st U.S. ed. Texas A&M University Press, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.