Walstad, J. D., Radosevich, S. R., & Sandberg, D. V. (1990). Natural and prescribed fire in Pacific Northwest forests. Oregon State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalstad, John D., Steven R. Radosevich, और David V. Sandberg. Natural and Prescribed Fire in Pacific Northwest Forests. Corvallis, Or.: Oregon State University Press, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalstad, John D., et al. Natural and Prescribed Fire in Pacific Northwest Forests. Oregon State University Press, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.