- & Harrell, C. (2000). Simulation using promodel (ada CD). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)- agus Charles Harrell. Simulation Using Promodel (ada CD). McGraw-Hill, 2000.
Lua MLA (8ú heag.)- agus Charles Harrell. Simulation Using Promodel (ada CD). McGraw-Hill, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.