G.M. · G. N. · Gerald M. · N M
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Ctfa Cosmetic Ingredient Handbook and Supplement | 978-1-882621-00-2 | 1992 | John A. Wenninger |
| Ctfa International Cosmetic Ingredient Dictionary | 978-1-882621-06-4 | 1993 | Ctfa Staff · John A. Wenninger |
| International Cosmetic Ingredient Dictionary | 978-1-882621-20-0 | 1998 | John A. Wenninger · Toiletry and Fragrance Association Cosmetic |
| International Cosmetic Ingredient Dictionary | 978-1-882621-09-5 | 1995 | John A. Wenninger |