Ortolano, L. (1997). Environmental regulation and impact assessment. John Wiley and Sons.
Citazione stile Chigago Style (17a edizione)Ortolano, Leonard. Environmental Regulation and Impact Assessment. New York: John Wiley and Sons, 1997.
Citatione MLA (9a ed.)Ortolano, Leonard. Environmental Regulation and Impact Assessment. John Wiley and Sons, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.