Texas. University. Division of Extension. Visual Instruction Bureau. (1954). Bridges for ideas. s.n.
Lua i Stíl Chicago (17ú heag.)Texas. University. Division of Extension. Visual Instruction Bureau. Bridges for Ideas. [Austin]: s.n, 1954.
Lua MLA (9ú heag.)Texas. University. Division of Extension. Visual Instruction Bureau. Bridges for Ideas. s.n, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.