| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Concierge Manual: A Step-by-Step Guide to Starting Your Own Concierge Service or Lifestyle Management Company | 978-1-931109-07-9 (1-931109-07-9) | 2007 | Katharine C. Giovanni |
| The Concierge Manual, Second Edition | 978-1-931109-01-7 (1-931109-01-X) | 2002 | " |
Ram Gophina · Ram Gophna · Ramy Gafni · Ron Gafn · Ron Gafni · Rona Goffen