MASON, K. A. (2017). Biology. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)MASON, Kenneth A. Biology. McGraw-Hill, 2017.
Lua MLA (9ú heag.)MASON, Kenneth A. Biology. McGraw-Hill, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.