(1969). A history of technology and invention: Progress through the ages. London: John Murray.
استشهاد بنمط شيكاغوA History of Technology and Invention: Progress Through the Ages. London: John Murray, 1969.
MLA استشهادA History of Technology and Invention: Progress Through the Ages. London: John Murray, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.