Katzer, M. Office 365. Migrating and managing your business in the cloud [Electronic resource] : монография / M. Katzer, D. Crawford. - 5th ed. - Electronic text data. - New York, NY [etc.] : Apress, 2013. - on-line. - Загл. с экрана. - ISBN 978-1-4302-6527-6 : Б. ц.