| title | media type | ISBN-13 | year of publication |
|---|
| Price, Principle, and the Environment | Printed Access Code | 978-0-511-61741-6 | 2009 |
| Price, Principle, and the Environment | Paperback | 978-0-521-54596-9 | 2004 |
| Price, Principle, and the Environment | Hardcover | 978-0-521-83723-1 | 2004 |
| The Economy of the Earth: Philosophy, Law, and the Environment | Printed Access Code | 978-0-511-81747-2 | 2012 |
| The Economy of the Earth: Philosophy, Law, and the Environment | Paperback | 978-0-521-68713-3 | 2008 |
| The Economy of the Earth: Philosophy, Law, and the Environment | Hardcover | 978-0-521-86755-9 | 2007 |
| The Economy of the Earth: Philosophy, Law, and the Environment | " | 978-0-521-34113-4 | 1988 |