D.W. · Denis Westhoff · Dennis C. Westhoff · Dennis C. Westhoff Et.Al. William C. Frazier
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| All About Yogurt | Paperback | 978-0-13-022533-7 (0-13-022533-9) | 1980 | William Helferich |
| All About Yogurt | CD-ROM | 978-0-13-022541-2 (0-13-022541-X) | 1980 | " |