| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Understanding and Controlling Stuttering A Comprehensive New Approach Based on the Valsalva Hypothesis | 978-1-929773-O1-5 (1-929773-O1-3) | 2009 |
D. P. · D. Parry · W.P. · William D. · William P. · William Parry