Estall, H. (2012). Business continuity management systems: Implementation and certification to ISO 22301. BCS, The Chartered Institute for IT.
Chicago-Zitierstil (17. Ausg.)Estall, Hilary. Business Continuity Management Systems: Implementation and Certification to ISO 22301. Swindon: BCS, The Chartered Institute for IT, 2012.
MLA-Zitierstil (9. Ausg.)Estall, Hilary. Business Continuity Management Systems: Implementation and Certification to ISO 22301. BCS, The Chartered Institute for IT, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.