APA-referens (7:e uppl.)
Industry Survey: Data Processing & Outsourced Services. Accounting Research & Analytics, LLC.
Chicago-referens (17:e uppl.)
Industry Survey: Data Processing & Outsourced Services. Accounting Research & Analytics, LLC.
MLA-referens (9:e uppl.)
Industry Survey: Data Processing & Outsourced Services. Accounting Research & Analytics, LLC.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.