Question: bilakah  harry potter and the half blood prince diterbitkan
Answer: 2005-07-16; 2005 Julai 16; 16 Julai 2005; 16 07 2005; 2005 july, 16; 2005-07-16; 07 16 2005; 2005 07 16; 16-07-2005; 07-16-2005; 16/07/2005; 07/16/2005