(1975). The geologic retrieval and synopsis program (GRASP / by Roger W. Bowen and Joseph Moses Botbol.
Chicago-čujuhus (17. p.)The Geologic Retrieval and Synopsis Program (GRASP / by Roger W. Bowen and Joseph Moses Botbol. 1975.
MLA-čujuhus (9. p.)The Geologic Retrieval and Synopsis Program (GRASP / by Roger W. Bowen and Joseph Moses Botbol. 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.