REED, B.; SHAW, R.; CHATTERTON, K. (2013): Guidelines for Handwashing with Soap. Poster. (= WEDC Posters, 6). London: Water, Engineering and Development Center (WEDC). URL [Accessed: 28.08.2013]. PDF
This poster is part of the series of Water, Sanitation and Hygiene posters designed by the Water, Engineering and Development Center of Loughborough University.