(1981). Sanitation in developing countries: Proceedings of a workshop on training held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre.
Citazione stile Chigago Style (17a edizione)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. Ottawa: International Development Research Centre, 1981.
Citatione MLA (9a ed.)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.