Metcalf, W. (1959). Native trees of the San Francisco Bay region. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMetcalf, Woodbridge. Native Trees of the San Francisco Bay Region. Berkeley: University of California Press, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMetcalf, Woodbridge. Native Trees of the San Francisco Bay Region. University of California Press, 1959.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.