Johnston, R., & R.J. Johnston. (1996). Nature, state and Economy: A political economy of the enviroment. Wiley.
Citazione stile Chigago Style (17a edizione)Johnston, R.J, e R.J. Johnston. Nature, State and Economy: A Political Economy of the Enviroment. Chichester: Wiley, 1996.
Citatione MLA (9a ed.)Johnston, R.J, e R.J. Johnston. Nature, State and Economy: A Political Economy of the Enviroment. Wiley, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.