Παραπομπή APA

Rowling, J. K. (2010). Harry potter and the half blood prince. Bloomsbury.

Παραπομπή Chicago Style

Rowling, J. K. Harry Potter and the Half Blood Prince. London: Bloomsbury, 2010.

Παραπομπή MLA

Rowling, J. K. Harry Potter and the Half Blood Prince. Bloomsbury, 2010.