সাঁচ:HP2ref
Rowling, J. K. (1998). Harry Potter and the Chamber of Secrets. London: Bloomsbury/New York City: Scholastic, et al. UK ISBN 0747538492/U.S. ISBN 0439064864.
Rowling, J. K. (1998). Harry Potter and the Chamber of Secrets. London: Bloomsbury/New York City: Scholastic, et al. UK ISBN 0747538492/U.S. ISBN 0439064864.