United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Benzil), & Quarrie, J. (1992). Earth Summit, 1992. Regency Press.
Citazione stile Chigago Style (17a edizione)United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Benzil), e Joyce Quarrie. Earth Summit, 1992. London: Regency Press, 1992.
Citatione MLA (9a ed.)United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Benzil), e Joyce Quarrie. Earth Summit, 1992. Regency Press, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.