APA-referens (7:e uppl.)
ebrary, Inc. (2012). Structure, group definitions and correspondence tables. International Labour Office.
Chicago-referens (17:e uppl.)
ebrary, Inc. Structure, Group Definitions and Correspondence Tables. Geneva: International Labour Office, 2012.
MLA-referens (9:e uppl.)
ebrary, Inc. Structure, Group Definitions and Correspondence Tables. International Labour Office, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.