LEET, L. a. J. (1965). Physical geology. Prentice-Hall.
Chicago-čujuhus (17. p.)LEET, L.Don and JUDSON. Physical Geology. Englewood: Prentice-Hall, 1965.
MLA-čujuhus (9. p.)LEET, L.Don and JUDSON. Physical Geology. Prentice-Hall, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.