Não informado. (1958). Diesel progress incorporating gas turbine progress. Diesel & Gas Turbine Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Diesel Progress Incorporating Gas Turbine Progress. Brookfield, Wis: Diesel & Gas Turbine Publications, 1958.
Lua MLA (8ú heag.)Não informado. Diesel Progress Incorporating Gas Turbine Progress. Diesel & Gas Turbine Publications, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.