| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Professional Inspectors Guide to Residential Roof Inspection | 978-1-4195-2627-5 (1-4195-2627-8) | 2005 |
D D · D. Douglas · D,. H.. · D. Norman · Don Norman · n.d. · N Douglas · N. H. · Norman Douglas · Norman H.