Pack, C. L. The School Book of Forestry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPack, Charles Lathrop. The School Book of Forestry.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPack, Charles Lathrop. The School Book of Forestry.
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