Campbell, B. (1964). The Oxford book of birds. O.U.P.
Chicago-čujuhus (17. p.)Campbell, Bruce. The Oxford Book of Birds. London: O.U.P, 1964.
MLA-čujuhus (9. p.)Campbell, Bruce. The Oxford Book of Birds. O.U.P, 1964.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.