(1990). Advanced Turbine Technology (ATTAP) Applications Project: 1989 annual report / Allison Gas Turbine Division, General Motors Corporation.
Chicago-viite (17. p.)Advanced Turbine Technology (ATTAP) Applications Project: 1989 Annual Report / Allison Gas Turbine Division, General Motors Corporation. 1990.
MLA-viite (9. p.)Advanced Turbine Technology (ATTAP) Applications Project: 1989 Annual Report / Allison Gas Turbine Division, General Motors Corporation. 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.