The World Bank, & The International Bank for Reconstruction and Development. The handwashing handbook: A guide for developing a hygiene promotion program to increase handwashing with soap. Washington, DC 20433: The World Bank.
Chicago Style citaatThe World Bank, en The International Bank for Reconstruction and Development. The Handwashing Handbook: A Guide for Developing a Hygiene Promotion Program to Increase Handwashing With Soap. Washington, DC 20433: The World Bank.
MLA citatieThe World Bank, en The International Bank for Reconstruction and Development. The Handwashing Handbook: A Guide for Developing a Hygiene Promotion Program to Increase Handwashing With Soap. Washington, DC 20433: The World Bank.
Let op: Deze citaties zijn niet altijd 100% accuraat.