Park, C. (1997). The Environment: Principles and applications. Routledge.
Citazione stile Chigago Style (17a edizione)Park, Chris. The Environment: Principles and Applications. London: Routledge, 1997.
Citatione MLA (9a ed.)Park, Chris. The Environment: Principles and Applications. Routledge, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.