Interregional Seminar on Development Planning (1st : Ankara : 1965) & United Nations. (1967). Planning the external sector: Techniques, problems and policies. United Nations.
Style de citation Chicago (17e éd.)Interregional Seminar on Development Planning (1st : Ankara : 1965) et United Nations. Planning the External Sector: Techniques, Problems and Policies. New York: United Nations, 1967.
Style de citation MLA (9e éd.)Interregional Seminar on Development Planning (1st : Ankara : 1965) et United Nations. Planning the External Sector: Techniques, Problems and Policies. United Nations, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.