Weed Biology & Management. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Weed Biology & Management. Wiley-Blackwell.
Lua MLA (9ú heag.)Weed Biology & Management. Wiley-Blackwell.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.