Tarbuck, E. J., & Lutgens, F. K. (1997). Earth science (8th.ed.). Prentice Hall.
Chicago-čujuhus (17. p.)Tarbuck, Edward J., juo Frederick K. Lutgens. Earth Science. 8th.ed. New Jersey: Prentice Hall, 1997.
MLA-čujuhus (9. p.)Tarbuck, Edward J., juo Frederick K. Lutgens. Earth Science. 8th.ed. Prentice Hall, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.