MAHAPATRA, G. (1987). A textbook of geology. CBS Publishers.
Chicago-čujuhus (17. p.)MAHAPATRA, G.B. A Textbook of Geology. CBS Publishers, 1987.
MLA-čujuhus (9. p.)MAHAPATRA, G.B. A Textbook of Geology. CBS Publishers, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.