Lüthi, C., & Lehn, H. (2012). SuSanA factsheet: Planning of sustainable sanitation for cities (Cities and planning: Working group 6). Compilation of 13 factsheets on key sustainable sanitation topics.
Chicago-Zitierstil (17. Ausg.)Lüthi, Christoph, und Helmut Lehn. "SuSanA Factsheet: Planning of Sustainable Sanitation for Cities (Cities and Planning: Working Group 6)." Compilation of 13 Factsheets on Key Sustainable Sanitation Topics 2012.
MLA-Zitierstil (9. Ausg.)Lüthi, Christoph, und Helmut Lehn. "SuSanA Factsheet: Planning of Sustainable Sanitation for Cities (Cities and Planning: Working Group 6)." Compilation of 13 Factsheets on Key Sustainable Sanitation Topics, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.