Mike Boyle. (2008). Biology (Third Edition.). London.
Chicago-čujuhus (17. p.)Mike Boyle. Biology. Third Edition. Harper Collins: London, 2008.
MLA-čujuhus (9. p.)Mike Boyle. Biology. Third Edition. London, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.