Otis, G. (1991). The last of the giants. Chosen books.
Chicago-čujuhus (17. p.)Otis, George. The Last of the Giants. Fleming H.: Chosen books, 1991.
MLA-čujuhus (9. p.)Otis, George. The Last of the Giants. Chosen books, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.