Cita APA (7a ed.)

Interregional Seminar on Development Planning (1st : Ankara : 1965) & United Nations. (1967). Planning the external sector: Techniques, problems and policies. United Nations.

Cita Chicago Style (17a ed.)

Interregional Seminar on Development Planning (1st : Ankara : 1965) y United Nations. Planning the External Sector: Techniques, Problems and Policies. New York: United Nations, 1967.

Cita MLA (9a ed.)

Interregional Seminar on Development Planning (1st : Ankara : 1965) y United Nations. Planning the External Sector: Techniques, Problems and Policies. United Nations, 1967.