(1977). Project Risk Management: Process, Techniques And Insights/ Chris Chapman And Stepen Ward. Jogn Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Project Risk Management: Process, Techniques And Insights/ Chris Chapman And Stepen Ward. Jogn Wiley & Sons, 1977.
Lua MLA (8ú heag.)Project Risk Management: Process, Techniques And Insights/ Chris Chapman And Stepen Ward. Jogn Wiley & Sons, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.