Não informado. (1967). Forestry bulletin. Clemson University, Department of Forestry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Forestry Bulletin. Clemson, SC: Clemson University, Department of Forestry, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Forestry Bulletin. Clemson University, Department of Forestry, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.