(1992). The Earth Summit '92: The United Nations Conference on Environment and Development Rio de Janeiro 1992. Regency Press.
Chicago-Zitierstil (17. Ausg.)The Earth Summit '92: The United Nations Conference on Environment and Development Rio De Janeiro 1992. London: Regency Press, 1992.
MLA-Zitierstil (9. Ausg.)The Earth Summit '92: The United Nations Conference on Environment and Development Rio De Janeiro 1992. Regency Press, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.