Παραπομπή APA

Rowling, J. K. (2005). Harry potter and the half-blood prince. Bloomsbury.

Παραπομπή Chicago Style

Rowling, J. K. Harry Potter and the Half-blood Prince. London: Bloomsbury, 2005.

Παραπομπή MLA

Rowling, J. K. Harry Potter and the Half-blood Prince. Bloomsbury, 2005.