Pennsylvania. Dept. of Forestry. (1905). Report for the years ... Harrisburg Pub. Co., State printer.
Chicago-referens (17:e uppl.)Pennsylvania. Dept. of Forestry. Report for the Years ... Harrisburg, Pa.: Harrisburg Pub. Co., State printer, 1905.
MLA-referens (8:e uppl.)Pennsylvania. Dept. of Forestry. Report for the Years ... Harrisburg Pub. Co., State printer, 1905.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.