Champion, H. (2023). The measurement of standing sample trees. Manager of Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChampion, H.G. The Measurement of Standing Sample Trees. Manager of Publications, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChampion, H.G. The Measurement of Standing Sample Trees. Manager of Publications, 2023.
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