Cita APA (7a ed.)
Russell, B. New Hopes for a Changing World. George Allen and Unwin.
Cita estilo Chicago (17a ed.)
Russell, Bertrand. New Hopes for a Changing World. Londres, Inglaterra: George Allen and Unwin.
Cita MLA (9a ed.)
Russell, Bertrand. New Hopes for a Changing World. George Allen and Unwin.
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