Não informado. (1952). Belgian Congo today. Belgium Congo and Ruanda Urundi Information and Public Relations Office.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Belgian Congo Today. Brussels: Belgium Congo and Ruanda Urundi Information and Public Relations Office, 1952.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Belgian Congo Today. Belgium Congo and Ruanda Urundi Information and Public Relations Office, 1952.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.