Interregional Seminar on Development Planning (1st : Ankara : 1965) & United Nations. (1967). Planning the external sector: Techniques, problems and policies. United Nations.
芝加哥风格引文Interregional Seminar on Development Planning (1st : Ankara : 1965) 与 United Nations. Planning the External Sector: Techniques, Problems and Policies. New York: United Nations, 1967.
MLA引文Interregional Seminar on Development Planning (1st : Ankara : 1965) 与 United Nations. Planning the External Sector: Techniques, Problems and Policies. United Nations, 1967.
警告：这些引文格式不一定是100％准确.