Ouderkirk, W., & Hill, A. (2002). Land, value, community : Callicott and environmental philosophy: Callicott and environmental philosophy. State University of New York Press.
Citazione stile Chigago Style (17a edizione)Ouderkirk, Wayne, e Alison Hill. Land, Value, Community : Callicott and Environmental Philosophy: Callicott and Environmental Philosophy. Albany, NY: State University of New York Press, 2002.
Citatione MLA (9a ed.)Ouderkirk, Wayne, e Alison Hill. Land, Value, Community : Callicott and Environmental Philosophy: Callicott and Environmental Philosophy. State University of New York Press, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.