A. Ross, D., G. Smith, P., & H. Morrow, R. (2015). Chapter 16 Field organization and ensuring data of high quality. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रA. Ross, David, Peter G. Smith, और Richard H. Morrow. Chapter 16 Field Organization and Ensuring Data of High Quality. Oxford University Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रA. Ross, David, et al. Chapter 16 Field Organization and Ensuring Data of High Quality. Oxford University Press, 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.