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..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Great Britain و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Great Britain و 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.