Park, C. C. (1986). Environmental policies: An international review. Croom Helm.
Citazione stile Chigago Style (17a edizione)Park, Chris C. Environmental Policies: An International Review. London: Croom Helm, 1986.
Citatione MLA (9a ed.)Park, Chris C. Environmental Policies: An International Review. Croom Helm, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.