UNITED, s. d. o. t. i. b. o. r. (1965). Earth Manual. Oxford and IBH Publishing Co.
Lua i Stíl Chicago (17ú heag.)UNITED, states departement of the interior bureau of reclamation. Earth Manual. Oxford and IBH Publishing Co, 1965.
Lua MLA (8ú heag.)UNITED, states departement of the interior bureau of reclamation. Earth Manual. Oxford and IBH Publishing Co, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.