The World Bank. (2004). The handwashing handbook: A guide for developing a hygiene program to increase handwashing with soap. Washington, D.C: The World Bank.
Chicago ZitierstilThe World Bank. The Handwashing Handbook: A Guide for Developing a Hygiene Program to Increase Handwashing With Soap. Washington, D.C: The World Bank, 2004.
MLA ZitierstilThe World Bank. The Handwashing Handbook: A Guide for Developing a Hygiene Program to Increase Handwashing With Soap. Washington, D.C: The World Bank, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.