(1981). Sanitation in developing countries: Proceedings of a workshop on training held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre.
Cytowanie według stylu Chicago (wyd. 17)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. Ottawa: International Development Research Centre, 1981.
Cytowanie według stylu MLA (wyd. 9)Sanitation in Developing Countries: Proceedings of a Workshop on Training Held in Lobatse, Botswana, 14-20, August 1980. International Development Research Centre, 1981.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..