Birot, P. (1966). General Physical Geography. John Wiley & Sons, Inc..
Chicago-čujuhus (17. p.)Birot, Pierre. General Physical Geography. New York: John Wiley & Sons, Inc., 1966.
MLA-čujuhus (9. p.)Birot, Pierre. General Physical Geography. John Wiley & Sons, Inc., 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.