Krauskopf, K. B. (1974). The third planet: An invitation to geology. Freeman.
Chicago-čujuhus (17. p.)Krauskopf, Konrad B. The Third Planet: An Invitation to Geology. San Francisco: Freeman, 1974.
MLA-čujuhus (9. p.)Krauskopf, Konrad B. The Third Planet: An Invitation to Geology. Freeman, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.