Leon S., M. (2023). Tree planting in the Central, Piedmont and Southern Appalachian Regions. US Departmrnt of Agriculture, USA.
Lua i Stíl Chicago (17ú heag.)Leon S., Minckler. Tree Planting in the Central, Piedmont and Southern Appalachian Regions. US Departmrnt of Agriculture, USA, 2023.
Lua MLA (9ú heag.)Leon S., Minckler. Tree Planting in the Central, Piedmont and Southern Appalachian Regions. US Departmrnt of Agriculture, USA, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.