Não informado. (2003). Canadian Biosystems Engineering. Canadian Society for Engineering in Agricultural, Food and Biological Systems.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Biosystems Engineering. Saskatoon, Canada: Canadian Society for Engineering in Agricultural, Food and Biological Systems, 2003.
Lua MLA (8ú heag.)Não informado. Canadian Biosystems Engineering. Canadian Society for Engineering in Agricultural, Food and Biological Systems, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.