ALLISON, I. S. (1974). Geology: The science of a changing earth. McGraw-Hill.
Chicago-čujuhus (17. p.)ALLISON, Ira S. Geology: The Science of a Changing Earth. New York: McGraw-Hill, 1974.
MLA-čujuhus (9. p.)ALLISON, Ira S. Geology: The Science of a Changing Earth. McGraw-Hill, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.