(2003). Egg marketing: A guide for the production and sale of eggs.
Lua i Stíl Chicago (17ú heag.)Egg Marketing: A Guide for the Production and Sale of Eggs. 2003.
Lua MLA (9ú heag.)Egg Marketing: A Guide for the Production and Sale of Eggs. 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.