Cita APA (7a ed.)
Orr, D. W. Earth in Mind: On Education, Environment and the Human Prospect.
Cita estilo Chicago (17a ed.)
Orr, David W. Earth in Mind: On Education, Environment and the Human Prospect.
Cita MLA (9a ed.)
Orr, David W. Earth in Mind: On Education, Environment and the Human Prospect.
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