Westerman George. (2014). Leading Digital Turning Technology intobusiness transformation. Harvard Bus. School.
Chicago-referens (17:e uppl.)Westerman George. Leading Digital Turning Technology Intobusiness Transformation. Boston: Harvard Bus. School, 2014.
MLA-referens (9:e uppl.)Westerman George. Leading Digital Turning Technology Intobusiness Transformation. Harvard Bus. School, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.