IRELAND, L. R. (1991). Quality Management For Projects And Programs. Project Management Institute.
Lua i Stíl Chicago (17ú heag.)IRELAND, Lewis R. Quality Management For Projects And Programs. Project Management Institute, 1991.
Lua MLA (8ú heag.)IRELAND, Lewis R. Quality Management For Projects And Programs. Project Management Institute, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.