Harvard Bus. School. (2012). HBR Guide to Better Business Writing. Harvard Bus. School.
Chicago-referens (17:e uppl.)Harvard Bus. School. HBR Guide to Better Business Writing. Boston: Harvard Bus. School, 2012.
MLA-referens (9:e uppl.)Harvard Bus. School. HBR Guide to Better Business Writing. Harvard Bus. School, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.