Não informado. (1975). Flight Operations. Miller Freeman Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Flight Operations. Dallas, Tex: Miller Freeman Publications, 1975.
Lua MLA (8ú heag.)Não informado. Flight Operations. Miller Freeman Publications, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.