Hammack, W. S. (2023). The things we make: The unknown history of invention from cathedrals to soda cans. Sourcebooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHammack, William Scott. The Things We Make: The Unknown History of Invention from Cathedrals to Soda Cans. Naperville, Illinois: Sourcebooks, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHammack, William Scott. The Things We Make: The Unknown History of Invention from Cathedrals to Soda Cans. Sourcebooks, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.