(2010). Studies in agricultural economics 2010: No, 111.
Lua i Stíl Chicago (17ú heag.)Studies in Agricultural Economics 2010: No, 111. 2010.
Lua MLA (9ú heag.)Studies in Agricultural Economics 2010: No, 111. 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.