| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Environmental Protection | Hardcover | 978-0-07-010531-7 | 1979 |
| Environmental Protection | Paperback | 978-0-07-066221-6 | 1979 |
| Environmental protection | Hardcover | 978-0-07-010520-1 | 1973 |
| ENVIRONMENTAL PROTECTION | Paperback | 978-0-07-085979-1 | 1973 |
| Problems with Solutions to Accompany Environmental Protection | " | 978-0-07-010521-8 | 1973 |