R. E. · R. S. · Robert E. · Robert S.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Park & Recreation Maintenance Management | 978-0-205-05601-9 (0-205-05601-6) | 1977 | Roger M. Warren |
| Park and Recreation Maintenance Management | 978-0-13-776477-8 (0-13-776477-4) | 1993 | Roger Warren |
| Park and recreation maintenance management | 978-0-02-417210-5 (0-02-417210-3) | 1985 | |
Allyn and Bacon · Macmillan · Prentice Hall