Laylock, A. (2014). Irrigation Systems Design Planning And Construction. CABI.
Lua i Stíl Chicago (17ú heag.)Laylock, Adrian. Irrigation Systems Design Planning And Construction. CABI, 2014.
Lua MLA (8ú heag.)Laylock, Adrian. Irrigation Systems Design Planning And Construction. CABI, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.