Institution, 8. B. S. Buttress threads.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitution, 8096 British Standards. Buttress Threads.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInstitution, 8096 British Standards. Buttress Threads.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.