Brewster Ernest. (2011). IT Service Management. Viva Books.
芝加哥风格引文Brewster Ernest. IT Service Management. New Delhi: Viva Books, 2011.
MLA引文Brewster Ernest. IT Service Management. Viva Books, 2011.
警告:这些引文格式不一定是100%准确.
Brewster Ernest. (2011). IT Service Management. Viva Books.
芝加哥风格引文Brewster Ernest. IT Service Management. New Delhi: Viva Books, 2011.
MLA引文Brewster Ernest. IT Service Management. Viva Books, 2011.