Wells, J., & Sutcliffe, L. G. (1997). Environmental engineering and support services: A handbook for exporters from developing countries. International Trade Centre UNCTAD/WTO.
Chicago-Zitierstil (17. Ausg.)Wells, Jeremy, und Leni G. Sutcliffe. Environmental Engineering and Support Services: A Handbook for Exporters from Developing Countries. Geneva: International Trade Centre UNCTAD/WTO, 1997.
MLA-Zitierstil (9. Ausg.)Wells, Jeremy, und Leni G. Sutcliffe. Environmental Engineering and Support Services: A Handbook for Exporters from Developing Countries. International Trade Centre UNCTAD/WTO, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.