North Carolina. Dept. of Conservation and Development. (1938). Bulletin. Edwards & Broughton Co..
Lua i Stíl Chicago (17ú heag.)North Carolina. Dept. of Conservation and Development. Bulletin. Raleigh: Edwards & Broughton Co., 1938.
Lua MLA (8ú heag.)North Carolina. Dept. of Conservation and Development. Bulletin. Edwards & Broughton Co., 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.