Nikolsky, G. V. The ecology of fishes.
Chicago-čujuhus (17. p.)Nikolsky, G. V. The Ecology of Fishes.
MLA-čujuhus (9. p.)Nikolsky, G. V. The Ecology of Fishes.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)