Pinchot, G. (2023). A primer of forestry. Government Printing Office, Washington.
Lua i Stíl Chicago (17ú heag.)Pinchot, Gifford. A Primer of Forestry. Government Printing Office, Washington, 2023.
Lua MLA (9ú heag.)Pinchot, Gifford. A Primer of Forestry. Government Printing Office, Washington, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.