Calder, A. (2017). ISO27001/ISO27002: Un guide de poche. IT Governance Publishing.
Chicago Style (17th ed.) CitationCalder, Alan. ISO27001/ISO27002: Un Guide De Poche. Ely, Cambridgeshire, England: IT Governance Publishing, 2017.
MLA citiranjeCalder, Alan. ISO27001/ISO27002: Un Guide De Poche. IT Governance Publishing, 2017.
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