| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Good Cat!: A Proven Guide to Successful Litter Box Use and Problem Solving | 978-O-7645-7775-8 (O-7645-7775-1) | 2004 |
Kaltenbek-Skarbek Liliana, Knysiak-Molczyk Hanna, Sleszynska Eugenia, Zak Ma Bonczak-Kucharczyk Ewa