Style de citation APA (7e éd.)
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
Style de citation Chicago (17e éd.)
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.
Style de citation MLA (9e éd.)
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.
Attention : ces citations peuvent ne pas être correctes à 100%.