Pennsylvania. Dept. of Forestry. (1907). Report of the Pennsylvania Department of Forestry, for the years . Harrisburg Pub. Co., State printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPennsylvania. Dept. of Forestry. Report of the Pennsylvania Department of Forestry, for the Years . Harrisburg, Pa.: Harrisburg Pub. Co., State printer, 1907.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPennsylvania. Dept. of Forestry. Report of the Pennsylvania Department of Forestry, for the Years . Harrisburg Pub. Co., State printer, 1907.
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