GORDON, G. (1989). System Simulation Geoffrey Gordon. Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)GORDON, Geoffrey. System Simulation Geoffrey Gordon. Prentice-Hall of India, 1989.
Lua MLA (8ú heag.)GORDON, Geoffrey. System Simulation Geoffrey Gordon. Prentice-Hall of India, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.