Beiser, A., & Krauskopf, K. B. (1975). Introduction to earth science. McGraw Hill.
Chicago-čujuhus (17. p.)Beiser, Arthur, juo Konrad B. Krauskopf. Introduction to Earth Science. New York: McGraw Hill, 1975.
MLA-čujuhus (9. p.)Beiser, Arthur, juo Konrad B. Krauskopf. Introduction to Earth Science. McGraw Hill, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.