CENTRE OF PUBLICATIONS NEW DELHI. (1991). DIRECTORY OF CENTRAL GOVERNMENT OFFICIALS. CENTRE OF PUBLICATION.
Chicago-referens (17:e uppl.)CENTRE OF PUBLICATIONS NEW DELHI. DIRECTORY OF CENTRAL GOVERNMENT OFFICIALS. NEW DELHI: CENTRE OF PUBLICATION, 1991.
MLA-referens (9:e uppl.)CENTRE OF PUBLICATIONS NEW DELHI. DIRECTORY OF CENTRAL GOVERNMENT OFFICIALS. CENTRE OF PUBLICATION, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.