<http://schema.org/url>
<http://www.joystiq.com/2010/10/21/japan-gets-god-of-war-manga-as-ghost-of-sparta-pre-order-bonus/>
<http://www.engadget.com/2010/10/21/japan-gets-god-of-war-manga-as-ghost-of-sparta-pre-order-bonus/>