Zarrilli, S. (2003). Energy and environmental services: Negotiating objectives and development priorities. United Nations.
Chicago-Zitierstil (17. Ausg.)Zarrilli, Simonetta. Energy and Environmental Services: Negotiating Objectives and Development Priorities. New York ; Geneva: United Nations, 2003.
MLA-Zitierstil (8. Ausg.)Zarrilli, Simonetta. Energy and Environmental Services: Negotiating Objectives and Development Priorities. United Nations, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.