| title | ISBN-13 | year of publication |
|---|---|---|
| Aceites Esenciales Guia De Referencia | 978-0-943685-45-8 | 2006 |
| Essential Oils Desk Reference | 978-0-943685-49-6 | 2007 |
| Essential Oils Desk Reference | 978-0-943685-39-7 | 2004 |
| Essential Oils Desk Reference | 978-0-943685-25-0 | 2000 |
| Essential Oils Pocket Reference | 978-0-943685-50-2 | 2007 |