Gorre-Dale, E., Jong Dick de, & Ling, J. (1993). Communication in water supply and sanitation: Resource booklet (revised edition.). IRC, International Water and Sanitation Centre.
Chicago-Zitierstil (17. Ausg.)Gorre-Dale, Eirah, Jong Dick de, und Jack Ling. Communication in Water Supply and Sanitation: Resource Booklet. revised edition. The Hague, The Netherlands: IRC, International Water and Sanitation Centre, 1993.
MLA-Zitierstil (9. Ausg.)Gorre-Dale, Eirah, et al. Communication in Water Supply and Sanitation: Resource Booklet. revised edition. IRC, International Water and Sanitation Centre, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.