CLELAND DAVID I. (1990). ENGINEERING TEAM MANAGEMENT. KRIEGER PUBLISHING COMPANY.
Lua i Stíl Chicago (17ú heag.)CLELAND DAVID I. ENGINEERING TEAM MANAGEMENT. MLBAR: KRIEGER PUBLISHING COMPANY, 1990.
Lua MLA (9ú heag.)CLELAND DAVID I. ENGINEERING TEAM MANAGEMENT. KRIEGER PUBLISHING COMPANY, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.