1. Le charme discreet de la bourgeoisie (Motion picture);Buñuel,1972
2. The case for marketing sanitation, field note;Cairncross,2004
3. The chair: Rethinking culture, body and design;Crantz,1998
4. Dirt, disgust, and disease: Is hygiene in our genes?;Curtis;Perspectives in Biology and Medicine,2001
5. Water, sanitation and hygiene at Kyoto: Handwashing and sanitation need to be marketed as if they were consumer products;Curtis;British Medical Journal,2003