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 Style CitationThe World Bank. The Handwashing Handbook: A Guide for Developing a Hygiene Program to Increase Handwashing With Soap. Washington, D.C: The World Bank, 2004.
Cita MLAThe World Bank. The Handwashing Handbook: A Guide for Developing a Hygiene Program to Increase Handwashing With Soap. Washington, D.C: The World Bank, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.