Citazione Stile APA (7a Edizione)
Orr, D. W. (2011). Hope is an Imperative: The Essential David Orr. Island Press/Center for Resource Economics. https://doi.org/10.5822/978-1-61091-017-0
Citazione stile Chigago Style (17a edizione)
Orr, David W. Hope Is an Imperative: The Essential David Orr. Washington, DC: Island Press/Center for Resource Economics, 2011. https://doi.org/10.5822/978-1-61091-017-0.
Citatione MLA (9a ed.)
Orr, David W. Hope Is an Imperative: The Essential David Orr. Island Press/Center for Resource Economics, 2011. https://doi.org/10.5822/978-1-61091-017-0.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.