(1963). Science and Technology for Development. New York: United Nations.
Trích dẫn kiểu ChicagoScience and Technology for Development. New York: United Nations, 1963.
ציטוט MLAScience and Technology for Development. New York: United Nations, 1963.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.