Barnes, C. W. (1980). Earth, time, and life: An introduction to geology. John Wiley.
Chicago-čujuhus (17. p.)Barnes, Charles W. Earth, Time, and Life: An Introduction to Geology. New York:: John Wiley, 1980.
MLA-čujuhus (9. p.)Barnes, Charles W. Earth, Time, and Life: An Introduction to Geology. John Wiley, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.