Não informado. (1952). Belgian Congo today. Belgium Congo and Ruanda Urundi Information and Public Relations Office.
Chicago-referens (17:e uppl.)Não informado. Belgian Congo Today. Brussels: Belgium Congo and Ruanda Urundi Information and Public Relations Office, 1952.
MLA-referens (8:e uppl.)Não informado. Belgian Congo Today. Belgium Congo and Ruanda Urundi Information and Public Relations Office, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.