United Nations. Dept. of Economic and Social Affairs. (1966). Transport of materials in bulk or in containers by pipe-lines. s.n.
Lua i Stíl Chicago (17ú heag.)United Nations. Dept. of Economic and Social Affairs. Transport of Materials in Bulk or in Containers by Pipe-lines. New York: s.n, 1966.
Lua MLA (9ú heag.)United Nations. Dept. of Economic and Social Affairs. Transport of Materials in Bulk or in Containers by Pipe-lines. s.n, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.