HarperCollins · Hazelden Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Skeptic's Guide to the 12 Steps | 978-0-89486-722-4 (0-89486-722-9) | 1990 |
| A Skeptic's Guide to the Twelve Steps: What to Do When You Don't Believe | 978-0-06-255341-6 (0-06-255341-0) | 1991 |
Gary Phillip Zola · Philip Zea · Philip Zoe · Phillip B. Zarilli · Phillip B. Zarrilli · Phillip D. Zimmerman · Phillip G. Zimbardo · Phillip J.(Phillip Zimmerman) Zimmerman · Phillip J. Zarriello · Phillip J. Zimmerman · Phillip L. Zweig · Phillip Zarrilli · Phillip Zenor · Phillip Ziegler · Phillip Zimbardo · Phillip zu Stolberg-Wernigerode