WRTH Publications Ltd · Watson-Guptill
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Shortwave Guide: v. 2 | 978-0-9535864-5-5 (0-9535864-5-6) | 2006 | |
| World Radio Tv Handbook 2005: The Directory of International Broadcasting | 978-0-8230-7794-6 (0-8230-7794-2) | 2004 | |
| World Radio TV Handbook 2018: The Directory of Global Broadcastong | 978-1-9998300-0-7 (1-9998300-0-8) | 2017 | Nicholas Hardyman |