g G ยท Ronald G. Garby & Bruce J. Ashton
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| IPT's crane and rigging handbook: Mobile-EOT-tower cranes | 978-0-920855-14-0 (0-920855-14-8) | 1991 |
| Ipt's Crane and Rigging Training Manual 2005 Edition | 978-0-920855-03-4 (0-920855-03-2) | 2005 |
| Ipt's Crane and Rigging Training Manual: Mobile-Eot-Tower Cranes | 978-0-920855-16-4 (0-920855-16-4) | 1999 |