Guy Décarie. (2019). Biology HL (Approach your exams the IB way).
Lua i Stíl Chicago (17ú heag.)Guy Décarie. Biology HL (Approach Your Exams the IB Way). 2019.
Lua MLA (9ú heag.)Guy Décarie. Biology HL (Approach Your Exams the IB Way). 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.