Greene, H. W. (1997). Snakes: The Evolution of Mystery in Nature. University of California.
Chicago-čujuhus (17. p.)Greene, Harry W. Snakes: The Evolution of Mystery in Nature. Berkeley: University of California, 1997.
MLA-čujuhus (9. p.)Greene, Harry W. Snakes: The Evolution of Mystery in Nature. University of California, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.