Gilpin, A. (1996). Dictionary of environment and sustainable development. Wiley.
Citazione stile Chigago Style (17a edizione)Gilpin, Alan. Dictionary of Environment and Sustainable Development. New York: Wiley, 1996.
Citatione MLA (9a ed.)Gilpin, Alan. Dictionary of Environment and Sustainable Development. Wiley, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.