Mary Jones. (2010). Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications.
Chicago-čujuhus (17. p.)Mary Jones. Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications, 2010.
MLA-čujuhus (9. p.)Mary Jones. Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.