Mary Jones. (2010). Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications.
Lua i Stíl Chicago (17ú heag.)Mary Jones. Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications, 2010.
Lua MLA (9ú heag.)Mary Jones. Cambridge International A/As-level Biology: Revision Guide. Trans-Atlantic Publications, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.