Kниги автора Gabe Zichermann, Joselin Linder

Game–Based Marketing: Inspire Customer Loyalty Through Rewards, Challenges, and Contests Автор: Gabe Zichermann, Joselin Linder Год: 2010 Издание: John Wiley and Sons, Ltd	The "Mormon" metropolis: an illustrated guide to Salt Lake City and its environs Автор: George] 1842-1909. [from old [Reynolds Год: 2011 Издание: [не указанo]
The Mormon metropolis. An illustrated guide to Salt Lake City and its environs. Containing illustrations and descriptions of principal places of . data with regard to Utah and its people Автор: George] 1842-1909. [from old [Reynolds Год: 2011 Издание: Книга по Требованию