APA (7 वां संस्करण) प्रशस्ति पत्र

ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1 (2000.). ORION CHILDREN BOOK PUBLISHERS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1. 2000. LONDON: ORION CHILDREN BOOK PUBLISHERS.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ROSS TONY. A TRIPLE TREAT OF HORRID HENRY 3 BOOKS IN 1. 2000. ORION CHILDREN BOOK PUBLISHERS.