Não informado. (1981). Diesel Progress North American. Diesel & Gas Turbine Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Diesel Progress North American. Brookfield, Wis: Diesel & Gas Turbine Publications, 1981.
Lua MLA (8ú heag.)Não informado. Diesel Progress North American. Diesel & Gas Turbine Publications, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.