Murch, B. W. (1997). Dangerous Barth: An introduction to geologic. John Wiley.
Chicago-čujuhus (17. p.)Murch, Barbara W. Dangerous Barth: An Introduction to Geologic. New York: John Wiley, 1997.
MLA-čujuhus (9. p.)Murch, Barbara W. Dangerous Barth: An Introduction to Geologic. John Wiley, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.