Beranek,William, & Ranis,Gustav. (1978). Science, technology, and economic development: Historical and comparative study. Praeger.
استشهاد بنمط شيكاغوBeranek,William, و Ranis,Gustav. Science, Technology, and Economic Development: Historical and Comparative Study. New York: Praeger, 1978.
MLA استشهادBeranek,William, و Ranis,Gustav. Science, Technology, and Economic Development: Historical and Comparative Study. Praeger, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.