Παραπομπή APA

Rowling J K. (2003). Harry potter and the order of the phoenix. Bloomsbury.

Παραπομπή Chicago Style

Rowling J K. Harry Potter and the Order of the Phoenix. London: Bloomsbury, 2003.

Παραπομπή MLA

Rowling J K. Harry Potter and the Order of the Phoenix. Bloomsbury, 2003.