Não informado. (1990). Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Danish Dairy and Food Industry Worldwide. Odense, Dinamarca: Danish Dairy Engineers Association, 1990.
Lua MLA (8ú heag.)Não informado. Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.