| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Must-Have Customer: 7 Steps to Winning the Customer You Haven't Got | 978-0-312-35169-4 (0-312-35169-0) | 2006 |
Robert Gardiner · Robert Gardner · Robert Gertner · Robert Gordian · Robert Gordienne · Robert Gordon · Robert Gratton · Robert Groden · Robert Grudin · Roberta Gardner · Roberta Gordenstein · Roberto Giardina