ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1 (2000.). ORION CHILDREN BOOK PUBLISHERS.
Lua i Stíl Chicago (17ú heag.)ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1. 2000. LONDON: ORION CHILDREN BOOK PUBLISHERS.
Lua MLA (9ú heag.)ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1. 2000. ORION CHILDREN BOOK PUBLISHERS.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.