Great Britain & Great Britain. Commonwealth Office. (1967). Agreement between the government of the United Kingdom of Great Britain and Northern Ireland and the government of the Republic of Zambia for air services between and beyond their respective territories: Lusaka, 17 March 1967 (the agreement has not entered into force). H.M.S.O..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGreat Britain এবং Great Britain. Commonwealth Office. Agreement Between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of Zambia for Air Services Between and Beyond Their Respective Territories: Lusaka, 17 March 1967 (the Agreement Has Not Entered into Force). London: H.M.S.O., 1967.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিGreat Britain এবং Great Britain. Commonwealth Office. Agreement Between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of Zambia for Air Services Between and Beyond Their Respective Territories: Lusaka, 17 March 1967 (the Agreement Has Not Entered into Force). H.M.S.O., 1967.