Wikipedia:Articles for deletion/Game Design Brief
Well,  is pretty clear on this, especially in the first paragraph on what original research is. And as for sources,  is again pretty clear on sources. Both of these are WIkipedia policy. The sources provided only provide support as an original essay, not verification for a teriary source of information, such as Wikipedia
— User:Freshacconci, 12:13, 24 December 2008 (UTC)
Stance: comment
Cited policy: WP:OR||WP:V (Wikipedia:No original research)